Add Payer Email to Base Parameters if not empty (#1497)

* Add isEmpty validation to add payer_email when it exists * Update CHANGELOG
braintree · Jan 13, 2025 · 226e00c · 226e00c
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Braintree iOS SDK Release Notes
 
+## unreleased 
+* BraintreePayPal
+  * Fix bug to ensure that `BTPayPalVaultRequest.userAuthenticationEmail` is not sent as an empty string
+
 ## 6.25.0 (2024-12-11)
 * BraintreePayPal
   * Add `BTPayPalRequest.userPhoneNumber` optional property

diff --git a/Sources/BraintreePayPal/BTPayPalVaultRequest.swift b/Sources/BraintreePayPal/BTPayPalVaultRequest.swift
@@ -68,7 +68,7 @@ import BraintreeCore
     ) -> [String: Any] {
         var baseParameters = super.parameters(with: configuration)
 
-        if let userAuthenticationEmail {
+        if let userAuthenticationEmail, !userAuthenticationEmail.isEmpty {
             baseParameters["payer_email"] = userAuthenticationEmail
         }