diff --git a/docs/platforms/dart/integrations/dio.mdx b/docs/platforms/dart/integrations/dio.mdx
index a6ecebed271cd..bffc64a9db73b 100644
--- a/docs/platforms/dart/integrations/dio.mdx
+++ b/docs/platforms/dart/integrations/dio.mdx
@@ -58,18 +58,10 @@ final response = await dio.get<String>('https://wrong-url.dev/');
 This is an opt-out feature. The following example shows how to disable it:
 
 
-```dart
-import 'package:sentry/sentry.dart';
-
-Future<void> main() async {
-  await Sentry.init(
-    (options) {
-      options.dsn = '___PUBLIC_DSN___';
-      options.captureFailedRequests = false;
-    },
-    appRunner: initApp, // Init your App.
-  );
-}
+```dart {2}
+await Sentry.init((options) {
+  options.captureFailedRequests = false;
+});
 ```
 
 ## Tracing for HTTP Requests
diff --git a/docs/platforms/flutter/session-replay/index.mdx b/docs/platforms/flutter/session-replay/index.mdx
index a6a08488060ec..e90b37f4c9115 100644
--- a/docs/platforms/flutter/session-replay/index.mdx
+++ b/docs/platforms/flutter/session-replay/index.mdx
@@ -32,14 +32,11 @@ dependencies:
 To set up the integration, add the following to your Sentry initialization:
 
 ```dart
-await SentryFlutter.init(
-  (options) {
-    ...
-    options.experimental.replay.sessionSampleRate = 1.0;
-    options.experimental.replay.onErrorSampleRate = 1.0;
-  },
-  appRunner: () => runApp(MyApp()),
-);
+await SentryFlutter.init((options) {
+  ...
+  options.experimental.replay.sessionSampleRate = 1.0;
+  options.experimental.replay.onErrorSampleRate = 1.0;
+});
 ```
 
 ## Verify
diff --git a/platform-includes/configuration/allow-urls/dart.mdx b/platform-includes/configuration/allow-urls/dart.mdx
index 62d3d51c1eb82..f920476b3a816 100644
--- a/platform-includes/configuration/allow-urls/dart.mdx
+++ b/platform-includes/configuration/allow-urls/dart.mdx
@@ -1,13 +1,5 @@
-```dart
-import 'package:sentry/sentry.dart';
-
-Future<void> main() async {
-  await Sentry.init(
-    (options) {
-      options.dsn = '___PUBLIC_DSN___';
-      options.allowUrls = ["^https://sentry.com.*\$", "my-custom-domain"];
-    },
-    appRunner: initApp, // Init your App.
-  );
-}
+```dart {2}
+await Sentry.init((options) {
+  options.allowUrls = ["^https://sentry.com.*\$", "my-custom-domain"];
+});
 ```
diff --git a/platform-includes/configuration/allow-urls/flutter.mdx b/platform-includes/configuration/allow-urls/flutter.mdx
new file mode 100644
index 0000000000000..5fbc3635079da
--- /dev/null
+++ b/platform-includes/configuration/allow-urls/flutter.mdx
@@ -0,0 +1,5 @@
+```dart {2}
+await SentryFlutter.init((options) {
+  options.allowUrls = ["^https://sentry.com.*\$", "my-custom-domain"];
+});
+```
diff --git a/platform-includes/configuration/before-breadcrumb-hint/dart.mdx b/platform-includes/configuration/before-breadcrumb-hint/dart.mdx
index 32ef5e78584f0..a25fa09f6a203 100644
--- a/platform-includes/configuration/before-breadcrumb-hint/dart.mdx
+++ b/platform-includes/configuration/before-breadcrumb-hint/dart.mdx
@@ -1,11 +1,7 @@
-```dart
-import 'package:sentry/sentry.dart';
-
-Breadcrumb? beforeBreadcrumb(Breadcrumb? breadcrumb, Hint hint) {
-  return hint is MyHint ? null : crumb;
-}
-
-Future<void> main() async {
-  await Sentry.init((options) => options.beforeBreadcrumb = beforeBreadcrumb);
-}
+```dart {3}
+await Sentry.init((options) {
+  options.beforeBreadcrumb = (breadcrumb, hint) {
+    return hint is MyHint ? null : crumb;
+  };
+});
 ```
diff --git a/platform-includes/configuration/before-breadcrumb-hint/flutter.mdx b/platform-includes/configuration/before-breadcrumb-hint/flutter.mdx
new file mode 100644
index 0000000000000..75b7e191823cc
--- /dev/null
+++ b/platform-includes/configuration/before-breadcrumb-hint/flutter.mdx
@@ -0,0 +1,7 @@
+```dart {3}
+await SentryFlutter.init((options) {
+  options.beforeBreadcrumb = (breadcrumb, hint) {
+    return hint is MyHint ? null : crumb;
+  };
+});
+```
diff --git a/platform-includes/configuration/before-send-fingerprint/dart.mdx b/platform-includes/configuration/before-send-fingerprint/dart.mdx
index 426cd8c042480..4f62cfb37fa97 100644
--- a/platform-includes/configuration/before-send-fingerprint/dart.mdx
+++ b/platform-includes/configuration/before-send-fingerprint/dart.mdx
@@ -1,14 +1,10 @@
-```dart
-import 'package:sentry/sentry.dart';
-
-FutureOr<SentryEvent?> beforeSend(SentryEvent event, Hint hint) async {
-  if (event.throwable is DatabaseException) {
-    event = event.copyWith(fingerprint: ['database-connection-error']);
-  }
-  return event;
-}
-
-Future<void> main() async {
-  await Sentry.init((options) => options.beforeSend = beforeSend);
-}
+```dart {3-6}
+await Sentry.init((options) {
+  options.beforeSend = (event, hint) {
+    if (event.throwable is DatabaseException) {
+      event = event.copyWith(fingerprint: ['database-connection-error']);
+    }
+    return event;
+  };
+});
 ```
diff --git a/platform-includes/configuration/before-send-fingerprint/flutter.mdx b/platform-includes/configuration/before-send-fingerprint/flutter.mdx
new file mode 100644
index 0000000000000..459286e11c4fa
--- /dev/null
+++ b/platform-includes/configuration/before-send-fingerprint/flutter.mdx
@@ -0,0 +1,10 @@
+```dart {3-6}
+await SentryFlutter.init((options) {
+  options.beforeSend = (event, hint) {
+    if (event.throwable is DatabaseException) {
+      event = event.copyWith(fingerprint: ['database-connection-error']);
+    }
+    return event;
+  };
+});
+```
diff --git a/platform-includes/configuration/before-send-hint/dart.mdx b/platform-includes/configuration/before-send-hint/dart.mdx
index 0f17d38c06042..0cc46ecccd47e 100644
--- a/platform-includes/configuration/before-send-hint/dart.mdx
+++ b/platform-includes/configuration/before-send-hint/dart.mdx
@@ -1,11 +1,7 @@
-```dart
-import 'package:sentry/sentry.dart';
-
-FutureOr<SentryEvent?> beforeSend(SentryEvent event, Hint hint) async {
-  return hint is MyHint ? null : event;
-}
-
-Future<void> main() async {
-  await Sentry.init((options) => options.beforeSend = beforeSend);
-}
+```dart {3}
+await Sentry.init((options) {
+  options.beforeSend = (event, hint) {
+    return hint is MyHint ? null : event;
+  };
+});
 ```
diff --git a/platform-includes/configuration/before-send-hint/flutter.mdx b/platform-includes/configuration/before-send-hint/flutter.mdx
new file mode 100644
index 0000000000000..42d9d971aef2f
--- /dev/null
+++ b/platform-includes/configuration/before-send-hint/flutter.mdx
@@ -0,0 +1,7 @@
+```dart {3}
+await SentryFlutter.init((options) {
+  options.beforeSend = (event, hint) {
+    return hint is MyHint ? null : event;
+  };
+});
+```
diff --git a/platform-includes/configuration/before-send/dart.mdx b/platform-includes/configuration/before-send/dart.mdx
index 470996be3120a..1f7a266b6deb7 100644
--- a/platform-includes/configuration/before-send/dart.mdx
+++ b/platform-includes/configuration/before-send/dart.mdx
@@ -1,13 +1,7 @@
-```dart
-import 'package:sentry/sentry.dart';
-
-FutureOr<SentryEvent?> beforeSend(SentryEvent event, Hint hint) async {
-  // Modify the event here:
-  event = event.copyWith(serverName: null); // Don't send server names.
-  return event;
-}
-
-Future<void> main() async {
-  await Sentry.init((options) => options.beforeSend = beforeSend);
-}
+```dart {3}
+await Sentry.init((options) {
+  options.beforeSend = (event, hint) {
+    return event.copyWith(serverName: null); // Don't send server names.
+  };
+});
 ```
diff --git a/platform-includes/configuration/before-send/flutter.mdx b/platform-includes/configuration/before-send/flutter.mdx
new file mode 100644
index 0000000000000..6616d2266d57a
--- /dev/null
+++ b/platform-includes/configuration/before-send/flutter.mdx
@@ -0,0 +1,7 @@
+```dart {3}
+await SentryFlutter.init((options) {
+  options.beforeSend = (event, hint) {
+    return event.copyWith(serverName: null); // Don't send server names.
+  };
+});
+```
diff --git a/platform-includes/configuration/deny-urls/dart.mdx b/platform-includes/configuration/deny-urls/dart.mdx
index a8cfae64755b8..b582d5e32faca 100644
--- a/platform-includes/configuration/deny-urls/dart.mdx
+++ b/platform-includes/configuration/deny-urls/dart.mdx
@@ -1,13 +1,5 @@
-```dart
-import 'package:sentry/sentry.dart';
-
-Future<void> main() async {
-  await Sentry.init(
-    (options) {
-      options.dsn = '___PUBLIC_DSN___';
-      options.denyUrls = ["^.*ends-with-this\$", "denied-url"];
-    },
-    appRunner: initApp, // Init your App.
-  );
-}
+```dart {2}
+await Sentry.init((options) {
+  options.denyUrls = ["^.*ends-with-this\$", "denied-url"];
+});
 ```
diff --git a/platform-includes/configuration/deny-urls/flutter.mdx b/platform-includes/configuration/deny-urls/flutter.mdx
new file mode 100644
index 0000000000000..004a10e3042fc
--- /dev/null
+++ b/platform-includes/configuration/deny-urls/flutter.mdx
@@ -0,0 +1,5 @@
+```dart {2}
+await SentryFlutter.init((options) {
+  options.denyUrls = ["^.*ends-with-this\$", "denied-url"];
+});
+```
diff --git a/platform-includes/configuration/ignore-errors/dart.mdx b/platform-includes/configuration/ignore-errors/dart.mdx
index 1196b49e59d78..3afc5a2c9078d 100644
--- a/platform-includes/configuration/ignore-errors/dart.mdx
+++ b/platform-includes/configuration/ignore-errors/dart.mdx
@@ -1,10 +1,5 @@
-```dart
-  await SentryFlutter.init(
-    (options) {
-      options.dsn = '___PUBLIC_DSN___';
-      options.ignoreErrors = ["my-error", "^error-.*\$"];
-      ...
-    },
-    appRunner: () => runApp(MyApp()),
-  );
+```dart {2}
+await Sentry.init((options) {
+  options.ignoreErrors = ["my-error", "^error-.*\$"];
+});
 ```
diff --git a/platform-includes/configuration/ignore-transactions/dart.mdx b/platform-includes/configuration/ignore-transactions/dart.mdx
index 607847272da60..c9367418ce72f 100644
--- a/platform-includes/configuration/ignore-transactions/dart.mdx
+++ b/platform-includes/configuration/ignore-transactions/dart.mdx
@@ -1,10 +1,5 @@
-```dart
-  await SentryFlutter.init(
-    (options) {
-      options.dsn = '___PUBLIC_DSN___';
-      options.ignoreTransactions = ["my-transaction", "^transaction-.*\$" ];
-      ...
-    },
-    appRunner: () => runApp(MyApp()),
-  );
+```dart {2}
+await Sentry.init((options) {
+  options.ignoreTransactions = ["my-transaction", "^transaction-.*\$" ];
+});
 ```
diff --git a/platform-includes/configuration/sample-rate/dart.mdx b/platform-includes/configuration/sample-rate/dart.mdx
index 20dc2bf4c504d..d0500e27fd4c3 100644
--- a/platform-includes/configuration/sample-rate/dart.mdx
+++ b/platform-includes/configuration/sample-rate/dart.mdx
@@ -1,8 +1,6 @@
-```dart
-import 'package:sentry/sentry.dart';
-
-Future<void> main() async {
+```dart {3}
+await Sentry.init((options) {
   // Capture only 25% of events
-  await Sentry.init((options) => options.sampleRate = 0.25);
-}
+  options.sampleRate = 0.25;
+});
 ```
diff --git a/platform-includes/configuration/sample-rate/flutter.mdx b/platform-includes/configuration/sample-rate/flutter.mdx
new file mode 100644
index 0000000000000..7317c6b805dff
--- /dev/null
+++ b/platform-includes/configuration/sample-rate/flutter.mdx
@@ -0,0 +1,6 @@
+```dart {3}
+await SentryFlutter.init((options) {
+  // Capture only 25% of events
+  options.sampleRate = 0.25;
+});
+```
diff --git a/platform-includes/enriching-events/attach-viewhierarchy/flutter.mdx b/platform-includes/enriching-events/attach-viewhierarchy/flutter.mdx
index 260f182eb14bb..1ea2715d4cc05 100644
--- a/platform-includes/enriching-events/attach-viewhierarchy/flutter.mdx
+++ b/platform-includes/enriching-events/attach-viewhierarchy/flutter.mdx
@@ -1,14 +1,5 @@
-```dart
-import 'package:flutter/widgets.dart';
-import 'package:sentry_flutter/sentry_flutter.dart';
-
-Future<void> main() async {
-  await SentryFlutter.init(
-    (options) {
-      options.dsn = '___PUBLIC_DSN___';
-      options.attachViewHierarchy = true;
-    },
-    appRunner: () => runApp(MyApp()),
-  );
-}
+```dart {2}
+await SentryFlutter.init((options) {
+  options.attachViewHierarchy = true;
+});
 ```
diff --git a/platform-includes/enriching-events/attachment-upload/dart.mdx b/platform-includes/enriching-events/attachment-upload/dart.mdx
index 52f3d266831ed..34db2789ad9a3 100644
--- a/platform-includes/enriching-events/attachment-upload/dart.mdx
+++ b/platform-includes/enriching-events/attachment-upload/dart.mdx
@@ -4,6 +4,6 @@ import 'package:sentry/sentry.dart';
 final attachment = SentryAttachment.fromByteData(bytedata);
 
 Sentry.configureScope((scope) {
-    scope.addAttachment(attachment);
+  scope.addAttachment(attachment);
 });
 ```
diff --git a/platform-includes/enriching-events/breadcrumbs/before-breadcrumb/dart.mdx b/platform-includes/enriching-events/breadcrumbs/before-breadcrumb/dart.mdx
index ae7ea313ce458..334731506d698 100644
--- a/platform-includes/enriching-events/breadcrumbs/before-breadcrumb/dart.mdx
+++ b/platform-includes/enriching-events/breadcrumbs/before-breadcrumb/dart.mdx
@@ -1,11 +1,7 @@
-```dart
-import 'package:sentry/sentry.dart';
-
-Breadcrumb? beforeBreadcrumb(Breadcrumb? breadcrumb, Hint hint) {
-  return 'a.spammy.Logger' == breadcrumb.category ? null : breadcrumb;
-}
-
-Future<void> main() async {
-  await Sentry.init((options) => options.beforeBreadcrumb = beforeBreadcrumb);
-}
+```dart {3}
+await Sentry.init((options) {
+  options.beforeBreadcrumb = (breadcrumb, hint) {
+    return 'a.spammy.Logger' == breadcrumb.category ? null : breadcrumb;
+  };
+});
 ```
diff --git a/platform-includes/enriching-events/breadcrumbs/before-breadcrumb/flutter.mdx b/platform-includes/enriching-events/breadcrumbs/before-breadcrumb/flutter.mdx
new file mode 100644
index 0000000000000..adefceb4e8d55
--- /dev/null
+++ b/platform-includes/enriching-events/breadcrumbs/before-breadcrumb/flutter.mdx
@@ -0,0 +1,7 @@
+```dart {3}
+await SentryFlutter.init((options) {
+  options.beforeBreadcrumb = (breadcrumb, hint) {
+    return 'a.spammy.Logger' == breadcrumb.category ? null : breadcrumb;
+  };
+});
+```
diff --git a/platform-includes/performance/configure-sample-rate/dart.mdx b/platform-includes/performance/configure-sample-rate/dart.mdx
index 583bd9daacddf..6d3ee56846578 100644
--- a/platform-includes/performance/configure-sample-rate/dart.mdx
+++ b/platform-includes/performance/configure-sample-rate/dart.mdx
@@ -1,9 +1,5 @@
 ```dart {diff}
-import 'package:sentry/sentry.dart';
-
-Sentry.init((options) => {
-    options.dsn = '___PUBLIC_DSN___';
-
+Sentry.init((options) {
 +   // To set a uniform sample rate
 +   options.tracesSampleRate = 1.0;
 
@@ -12,6 +8,6 @@ Sentry.init((options) => {
 +   options.tracesSampler = (samplingContext) {
 +     // return a number between 0 and 1 or null (to fallback
 +     // to configured value)
-    };
++   };
 });
 ```
diff --git a/platform-includes/performance/configure-sample-rate/flutter.mdx b/platform-includes/performance/configure-sample-rate/flutter.mdx
index 3d8eb55278897..cc02a630cb122 100644
--- a/platform-includes/performance/configure-sample-rate/flutter.mdx
+++ b/platform-includes/performance/configure-sample-rate/flutter.mdx
@@ -1,21 +1,13 @@
 ```dart {diff}
-import 'package:flutter/widgets.dart';
-import 'package:sentry_flutter/sentry_flutter.dart';
+SentryFlutter.init((options) {
++  // To set a uniform sample rate
++  options.tracesSampleRate = 1.0;
 
-SentryFlutter.init(
-  (options) => {
-    options.dsn = '___PUBLIC_DSN___';
-
-+   // To set a uniform sample rate
-+   options.tracesSampleRate = 1.0;
-
-+   // OR if you prefer, determine traces sample rate
-+   // based on the sampling context
-+   options.tracesSampler = (samplingContext) {
-+     // return a number between 0 and 1 or null (to fallback
-+     // to configured value)
-+   };
-  },
-  appRunner: () => runApp(MyApp()),
-);
++  // OR if you prefer, determine traces sample rate
++  // based on the sampling context
++  options.tracesSampler = (samplingContext) {
++    // return a number between 0 and 1 or null (to fallback
++    // to configured value)
++  };
+});
 ```
diff --git a/platform-includes/performance/traces-sample-rate/dart.mdx b/platform-includes/performance/traces-sample-rate/dart.mdx
index 92ed280abf06c..503edbc1206bc 100644
--- a/platform-includes/performance/traces-sample-rate/dart.mdx
+++ b/platform-includes/performance/traces-sample-rate/dart.mdx
@@ -1,7 +1,5 @@
-```dart
-import 'package:sentry/sentry.dart';
-
-Sentry.init((options) => {
-      options.tracesSampleRate = 0.2,
-    });
+```dart {2}
+await Sentry.init((options) {
+  options.tracesSampleRate = 0.2;
+});
 ```
diff --git a/platform-includes/performance/traces-sample-rate/flutter.mdx b/platform-includes/performance/traces-sample-rate/flutter.mdx
index 1fbd43f4cecac..0f6262fbdfe5e 100644
--- a/platform-includes/performance/traces-sample-rate/flutter.mdx
+++ b/platform-includes/performance/traces-sample-rate/flutter.mdx
@@ -1,11 +1,5 @@
-```dart
-import 'package:flutter/widgets.dart';
-import 'package:sentry_flutter/sentry_flutter.dart';
-
-SentryFlutter.init(
-  (options) => {
-    options.tracesSampleRate = 0.2;
-  },
-  appRunner: () => runApp(MyApp()),
-);
+```dart {2}
+await SentryFlutter.init((options) => {
+  options.tracesSampleRate = 0.2;
+});
 ```
diff --git a/platform-includes/performance/traces-sampler-as-filter/dart.mdx b/platform-includes/performance/traces-sampler-as-filter/dart.mdx
index 44e05e56c2178..0421a61701387 100644
--- a/platform-includes/performance/traces-sampler-as-filter/dart.mdx
+++ b/platform-includes/performance/traces-sampler-as-filter/dart.mdx
@@ -1,26 +1,24 @@
 ```dart
-import 'package:sentry/sentry.dart';
+await Sentry.init((options) {
+  // Determine traces sample rate based on the sampling context
+  options.tracesSampler = (samplingContext) {
+    final ctx = samplingContext.customSamplingContext;
+    // If this is the continuation of a trace, just use that decision (rate controlled by the caller).
+    final parentSampled =
+        samplingContext.transactionContext.parentSampled;
+    if (parentSampled != null) {
+      return parentSampled ? 1.0 : 0.0;
+    }
 
-Sentry.init((options) => {
-      // Determine traces sample rate based on the sampling context
-      options.tracesSampler = (samplingContext) {
-        final ctx = samplingContext.customSamplingContext;
-        // If this is the continuation of a trace, just use that decision (rate controlled by the caller).
-        final parentSampled =
-            samplingContext.transactionContext.parentSampled;
-        if (parentSampled != null) {
-          return parentSampled ? 1.0 : 0.0;
-        }
-
-        if (/* make a decision based on `samplingContext` */) {
-          // Drop this transaction, by setting its sample rate to 0%
-          return 0.0;
-        } else if (/* ... */) {
-          // Override sample rate for other cases (replaces `options.TracesSampleRate`)
-          return 0.1;
-        }
-        // Can return `null` to fallback to the rate configured by `options.tracesSampleRate`
-        return null;
-      },
-    });
+    if (/* make a decision based on `samplingContext` */) {
+      // Drop this transaction, by setting its sample rate to 0%
+      return 0.0;
+    } else if (/* ... */) {
+      // Override sample rate for other cases (replaces `options.TracesSampleRate`)
+      return 0.1;
+    }
+    // Can return `null` to fallback to the rate configured by `options.tracesSampleRate`
+    return null;
+  };
+});
 ```
diff --git a/platform-includes/performance/traces-sampler-as-filter/flutter.mdx b/platform-includes/performance/traces-sampler-as-filter/flutter.mdx
index 7c1725c061932..2695322cfe723 100644
--- a/platform-includes/performance/traces-sampler-as-filter/flutter.mdx
+++ b/platform-includes/performance/traces-sampler-as-filter/flutter.mdx
@@ -1,30 +1,24 @@
 ```dart
-import 'package:flutter/widgets.dart';
-import 'package:sentry_flutter/sentry_flutter.dart';
+await SentryFlutter.init((options) {
+  // Determine traces sample rate based on the sampling context
+  options.tracesSampler = (samplingContext) {
+    final ctx = samplingContext.customSamplingContext;
+    // If this is the continuation of a trace, just use that decision (rate controlled by the caller).
+    final parentSampled =
+        samplingContext.transactionContext.parentSampled;
+    if (parentSampled != null) {
+      return parentSampled ? 1.0 : 0.0;
+    }
 
-SentryFlutter.init(
-  (options) => {
-    // Determine traces sample rate based on the sampling context
-    options.tracesSampler = (samplingContext) {
-      final ctx = samplingContext.customSamplingContext;
-      // If this is the continuation of a trace, just use that decision (rate controlled by the caller).
-      final parentSampled =
-          samplingContext.transactionContext.parentSampled;
-      if (parentSampled != null) {
-        return parentSampled ? 1.0 : 0.0;
-      }
-
-      if (/* make a decision based on `samplingContext` */) {
-        // Drop this transaction, by setting its sample rate to 0%
-        return 0.0;
-      } else if (/* ... */) {
-        // Override sample rate for other cases (replaces `options.TracesSampleRate`)
-        return 0.1;
-      }
-      // Can return `null` to fallback to the rate configured by `options.tracesSampleRate`
-      return null;
-    },
-  },
-  appRunner: () => runApp(MyApp()),
-);
+    if (/* make a decision based on `samplingContext` */) {
+      // Drop this transaction, by setting its sample rate to 0%
+      return 0.0;
+    } else if (/* ... */) {
+      // Override sample rate for other cases (replaces `options.TracesSampleRate`)
+      return 0.1;
+    }
+    // Can return `null` to fallback to the rate configured by `options.tracesSampleRate`
+    return null;
+  };
+});
 ```
diff --git a/platform-includes/performance/traces-sampler-as-sampler/dart.mdx b/platform-includes/performance/traces-sampler-as-sampler/dart.mdx
index de0b003c30b0b..0cee6321597ec 100644
--- a/platform-includes/performance/traces-sampler-as-sampler/dart.mdx
+++ b/platform-includes/performance/traces-sampler-as-sampler/dart.mdx
@@ -1,30 +1,28 @@
 ```dart
-import 'package:sentry/sentry.dart';
+await Sentry.init((options) {
+  // Determine traces sample rate based on the sampling context
+  options.tracesSampler = (samplingContext) {
+    final ctx = samplingContext.customSamplingContext;
+      // If this is the continuation of a trace, just use that decision (rate controlled by the caller).
+    final parentSampled =
+        samplingContext.transactionContext.parentSampled;
+    if (parentSampled != null) {
+      return parentSampled ? 1.0 : 0.0;
+    }
 
-Sentry.init((options) => {
-      // Determine traces sample rate based on the sampling context
-      options.tracesSampler = (samplingContext) {
-        final ctx = samplingContext.customSamplingContext;
-         // If this is the continuation of a trace, just use that decision (rate controlled by the caller).
-        final parentSampled =
-            samplingContext.transactionContext.parentSampled;
-        if (parentSampled != null) {
-          return parentSampled ? 1.0 : 0.0;
-        }
-
-        if ('/payment' == ctx['url']) {
-          // These are important - take a big sample
-          return 0.5;
-        } else if ('/search' == ctx['url']) {
-          // Search is less important and happen much more frequently - only take 1%
-          return 0.01;
-        } else if ('/health' == ctx['url']) {
-          // The health check endpoint is just noise - drop all transactions
-          return 0.0;
-        } else {
-          // Default sample rate
-          return 0.1;
-        }
-      },
-    });
+    if ('/payment' == ctx['url']) {
+      // These are important - take a big sample
+      return 0.5;
+    } else if ('/search' == ctx['url']) {
+      // Search is less important and happen much more frequently - only take 1%
+      return 0.01;
+    } else if ('/health' == ctx['url']) {
+      // The health check endpoint is just noise - drop all transactions
+      return 0.0;
+    } else {
+      // Default sample rate
+      return 0.1;
+    }
+  };
+});
 ```
diff --git a/platform-includes/performance/traces-sampler-as-sampler/flutter.mdx b/platform-includes/performance/traces-sampler-as-sampler/flutter.mdx
index 6699fee7aac41..3473d23fc10af 100644
--- a/platform-includes/performance/traces-sampler-as-sampler/flutter.mdx
+++ b/platform-includes/performance/traces-sampler-as-sampler/flutter.mdx
@@ -1,34 +1,28 @@
 ```dart
-import 'package:flutter/widgets.dart';
-import 'package:sentry_flutter/sentry_flutter.dart';
+await SentryFlutter.init((options) {
+  // Determine traces sample rate based on the sampling context
+  options.tracesSampler = (samplingContext) {
+    final ctx = samplingContext.customSamplingContext;
+    // If this is the continuation of a trace, just use that decision (rate controlled by the caller).
+    final parentSampled =
+        samplingContext.transactionContext.parentSampled;
+    if (parentSampled != null) {
+      return parentSampled ? 1.0 : 0.0;
+    }
 
-SentryFlutter.init(
-  (options) => {
-    // Determine traces sample rate based on the sampling context
-    options.tracesSampler = (samplingContext) {
-      final ctx = samplingContext.customSamplingContext;
-      // If this is the continuation of a trace, just use that decision (rate controlled by the caller).
-      final parentSampled =
-          samplingContext.transactionContext.parentSampled;
-      if (parentSampled != null) {
-        return parentSampled ? 1.0 : 0.0;
-      }
-
-      if ('/payment' == ctx['url']) {
-        // These are important - take a big sample
-        return 0.5;
-      } else if ('/search' == ctx['url']) {
-        // Search is less important and happen much more frequently - only take 1%
-        return 0.01;
-      } else if ('/health' == ctx['url']) {
-        // The health check endpoint is just noise - drop all transactions
-        return 0.0;
-      } else {
-        // Default sample rate
-        return 0.1;
-      }
-    },
-  },
-  appRunner: () => runApp(MyApp()),
-);
+    if ('/payment' == ctx['url']) {
+      // These are important - take a big sample
+      return 0.5;
+    } else if ('/search' == ctx['url']) {
+      // Search is less important and happen much more frequently - only take 1%
+      return 0.01;
+    } else if ('/health' == ctx['url']) {
+      // The health check endpoint is just noise - drop all transactions
+      return 0.0;
+    } else {
+      // Default sample rate
+      return 0.1;
+    }
+  };
+});
 ```
diff --git a/platform-includes/set-environment/dart.mdx b/platform-includes/set-environment/dart.mdx
index 9f965d8f01909..1588ccdf83ed5 100644
--- a/platform-includes/set-environment/dart.mdx
+++ b/platform-includes/set-environment/dart.mdx
@@ -1,7 +1,5 @@
-```dart
-import 'package:sentry/sentry.dart';
-
-Future<void> main() async {
-  await Sentry.init((options) => options.environment = 'staging');
-}
+```dart {2}
+await Sentry.init((options) {
+  options.environment = 'staging';
+});
 ```
diff --git a/platform-includes/set-environment/flutter.mdx b/platform-includes/set-environment/flutter.mdx
index 3e5de8bd58c40..84c93fb454e5a 100644
--- a/platform-includes/set-environment/flutter.mdx
+++ b/platform-includes/set-environment/flutter.mdx
@@ -1,14 +1,7 @@
-```dart
-import 'package:flutter/widgets.dart';
-import 'package:sentry_flutter/sentry_flutter.dart';
-
-Future<void> main() async {
-  await SentryFlutter.init(
-    (options) => options.environment = 'staging',
-    appRunner: () => runApp(MyApp()),
-  );
-
-  // or define SENTRY_ENVIRONMENT via Dart environment variable (--dart-define)
-}
+```dart {2}
+await SentryFlutter.init((options) {
+  options.environment = 'staging';
+});
 
+// or define SENTRY_ENVIRONMENT via Dart environment variable (--dart-define)
 ```
diff --git a/platform-includes/set-fingerprint/basic/dart.mdx b/platform-includes/set-fingerprint/basic/dart.mdx
index 426cd8c042480..4f62cfb37fa97 100644
--- a/platform-includes/set-fingerprint/basic/dart.mdx
+++ b/platform-includes/set-fingerprint/basic/dart.mdx
@@ -1,14 +1,10 @@
-```dart
-import 'package:sentry/sentry.dart';
-
-FutureOr<SentryEvent?> beforeSend(SentryEvent event, Hint hint) async {
-  if (event.throwable is DatabaseException) {
-    event = event.copyWith(fingerprint: ['database-connection-error']);
-  }
-  return event;
-}
-
-Future<void> main() async {
-  await Sentry.init((options) => options.beforeSend = beforeSend);
-}
+```dart {3-6}
+await Sentry.init((options) {
+  options.beforeSend = (event, hint) {
+    if (event.throwable is DatabaseException) {
+      event = event.copyWith(fingerprint: ['database-connection-error']);
+    }
+    return event;
+  };
+});
 ```
diff --git a/platform-includes/set-fingerprint/basic/flutter.mdx b/platform-includes/set-fingerprint/basic/flutter.mdx
new file mode 100644
index 0000000000000..459286e11c4fa
--- /dev/null
+++ b/platform-includes/set-fingerprint/basic/flutter.mdx
@@ -0,0 +1,10 @@
+```dart {3-6}
+await SentryFlutter.init((options) {
+  options.beforeSend = (event, hint) {
+    if (event.throwable is DatabaseException) {
+      event = event.copyWith(fingerprint: ['database-connection-error']);
+    }
+    return event;
+  };
+});
+```
diff --git a/platform-includes/set-fingerprint/database-connection/dart.mdx b/platform-includes/set-fingerprint/database-connection/dart.mdx
index 426cd8c042480..4f62cfb37fa97 100644
--- a/platform-includes/set-fingerprint/database-connection/dart.mdx
+++ b/platform-includes/set-fingerprint/database-connection/dart.mdx
@@ -1,14 +1,10 @@
-```dart
-import 'package:sentry/sentry.dart';
-
-FutureOr<SentryEvent?> beforeSend(SentryEvent event, Hint hint) async {
-  if (event.throwable is DatabaseException) {
-    event = event.copyWith(fingerprint: ['database-connection-error']);
-  }
-  return event;
-}
-
-Future<void> main() async {
-  await Sentry.init((options) => options.beforeSend = beforeSend);
-}
+```dart {3-6}
+await Sentry.init((options) {
+  options.beforeSend = (event, hint) {
+    if (event.throwable is DatabaseException) {
+      event = event.copyWith(fingerprint: ['database-connection-error']);
+    }
+    return event;
+  };
+});
 ```
diff --git a/platform-includes/set-fingerprint/database-connection/flutter.mdx b/platform-includes/set-fingerprint/database-connection/flutter.mdx
new file mode 100644
index 0000000000000..459286e11c4fa
--- /dev/null
+++ b/platform-includes/set-fingerprint/database-connection/flutter.mdx
@@ -0,0 +1,10 @@
+```dart {3-6}
+await SentryFlutter.init((options) {
+  options.beforeSend = (event, hint) {
+    if (event.throwable is DatabaseException) {
+      event = event.copyWith(fingerprint: ['database-connection-error']);
+    }
+    return event;
+  };
+});
+```
diff --git a/platform-includes/set-fingerprint/rpc/dart.mdx b/platform-includes/set-fingerprint/rpc/dart.mdx
index affec0eb261f3..c6ee6506e1f50 100644
--- a/platform-includes/set-fingerprint/rpc/dart.mdx
+++ b/platform-includes/set-fingerprint/rpc/dart.mdx
@@ -1,6 +1,4 @@
 ```dart
-import 'package:sentry/sentry.dart';
-
 class MyRpcException implements Exception {
   final String function;
   final int httpStatusCode;
@@ -8,19 +6,17 @@ class MyRpcException implements Exception {
   MyRpcException(this.function, this.httpStatusCode);
 }
 
-FutureOr<SentryEvent?> beforeSend(SentryEvent event, Hint hint) async {
-  if (event.throwable is MyRpcException) {
-    final exception = event.throwable as MyRpcException;
-    event = event.copyWith(fingerprint: [
-      '{{ default }}',
-      exception.function,
-      exception.httpStatusCode.toString(),
-    ]);
-  }
-  return event;
-}
-
-Future<void> main() async {
-  await Sentry.init((options) => options.beforeSend = beforeSend);
-}
+await Sentry.init((options) {
+  options.beforeSend = (event, hint) {
+    if (event.throwable is MyRpcException) {
+      final exception = event.throwable as MyRpcException;
+      event = event.copyWith(fingerprint: [
+        '{{ default }}',
+        exception.function,
+        exception.httpStatusCode.toString(),
+      ]);
+    }
+    return event;
+  };
+});
 ```
diff --git a/platform-includes/set-fingerprint/rpc/flutter.mdx b/platform-includes/set-fingerprint/rpc/flutter.mdx
new file mode 100644
index 0000000000000..8a57b424423f6
--- /dev/null
+++ b/platform-includes/set-fingerprint/rpc/flutter.mdx
@@ -0,0 +1,22 @@
+```dart
+class MyRpcException implements Exception {
+  final String function;
+  final int httpStatusCode;
+
+  MyRpcException(this.function, this.httpStatusCode);
+}
+
+await SentryFlutter.init((options) {
+  options.beforeSend = (event, hint) {
+    if (event.throwable is MyRpcException) {
+      final exception = event.throwable as MyRpcException;
+      event = event.copyWith(fingerprint: [
+        '{{ default }}',
+        exception.function,
+        exception.httpStatusCode.toString(),
+      ]);
+    }
+    return event;
+  };
+});
+```
diff --git a/platform-includes/set-release/dart.mdx b/platform-includes/set-release/dart.mdx
index 8737cf7f9a37d..eb76ef34f4c65 100644
--- a/platform-includes/set-release/dart.mdx
+++ b/platform-includes/set-release/dart.mdx
@@ -1,7 +1,6 @@
-```dart
-import 'package:sentry/sentry.dart';
-
-Future<void> main() async {
-  await Sentry.init((options) => options.release = 'my-project-name@2.3.12+12'); // packageName@versionName+buildNumber
-}
+```dart {3}
+await Sentry.init((options) {
+  // packageName@versionName+buildNumber
+  options.release = 'my-project-name@2.3.12+12';
+});
 ```
diff --git a/platform-includes/set-release/flutter.mdx b/platform-includes/set-release/flutter.mdx
index 155b633bffc87..295a526725e09 100644
--- a/platform-includes/set-release/flutter.mdx
+++ b/platform-includes/set-release/flutter.mdx
@@ -1,15 +1,9 @@
 ```dart
-import 'package:flutter/widgets.dart';
-import 'package:sentry_flutter/sentry_flutter.dart';
+await SentryFlutter.init((options) {
+  options.release = 'my-project-name@2.3.12+12';
+});
 
-Future<void> main() async {
-  await SentryFlutter.init(
-    (options) => options.release = 'my-project-name@2.3.12+12',
-    appRunner: () => runApp(MyApp()),
-  );
-
-  // or define SENTRY_RELEASE via Dart environment variable (--dart-define) if you are using Flutter Web.
-}
+// or define SENTRY_RELEASE via Dart environment variable (--dart-define) if you are using Flutter Web.
 
 ```
 
diff --git a/platform-includes/user-feedback/sdk-api-example/dart.mdx b/platform-includes/user-feedback/sdk-api-example/dart.mdx
index 1dcee4d8d8d15..7a4c58c6f8271 100644
--- a/platform-includes/user-feedback/sdk-api-example/dart.mdx
+++ b/platform-includes/user-feedback/sdk-api-example/dart.mdx
@@ -1,11 +1,9 @@
 ```dart
-import 'package:sentry/sentry.dart';
-
 // Option 1: Retrieving SentryId from beforeSend
 SentryId sentryId = SentryId.empty();
 
 await Sentry.init((options) {
-  options.beforeSend = (event, hint) async {
+  options.beforeSend = (event, hint) {
     sentryId = event.eventId;
     return event;
   };
diff --git a/platform-includes/user-feedback/sdk-api-example/flutter.mdx b/platform-includes/user-feedback/sdk-api-example/flutter.mdx
new file mode 100644
index 0000000000000..a3ee42c324e9a
--- /dev/null
+++ b/platform-includes/user-feedback/sdk-api-example/flutter.mdx
@@ -0,0 +1,26 @@
+```dart
+// Option 1: Retrieving SentryId from beforeSend
+SentryId sentryId = SentryId.empty();
+
+await SentryFlutter.init((options) {
+  options.beforeSend = (event, hint) {
+    sentryId = event.eventId;
+    return event;
+  };
+});
+
+// Option 2: Retrieving SentryId from the method capturing the event
+SentryId sentryId = Sentry.captureMessage("My message");
+
+// Option 3: Retrieving SentryId from the beforeSend callback
+SentryId sentryId = Sentry.lastEventId;
+
+final userFeedback = SentryUserFeedback(
+    eventId: sentryId,
+    comments: 'Hello World!',
+    email: 'foo@bar.org',
+    name: 'John Doe',
+);
+
+Sentry.captureUserFeedback(userFeedback);
+```