EvenhubARM.json

{
    "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
    "contentVersion": "1.0.0.0",
    "parameters": {
        "projectName": {
            "type": "string",
            "metadata": {
                "description":"Specifies a project name that is used to generate the Event Hub name and the Namespace name."
            }
        },
        "location":{
            "type": "string",
            "defaultValue":"[resourceGroup().location]",
            "metadata": {
                "description":"location of the eventhubName space"
            }
        },
        "eventHubSku": {
            "type": "string",
            "allowedValues":["Basic","standard"],
            "defaultValue":"Basic",
            "metadata": {
                "description":"specifies the message Tier for service Bus NameSpace"
            }
        }   

    },
    "variables": {
        "eventHubNamespaceName":"[concat(parameters('projectName'),'ns')]",
        "eventHubName":"[parameters('projectName')]"
    },

    "resources": [
        {
            "apiVersion":"2017-04-01",
            "type": "Microsoft.EventHub/namespaces",
            "name":"[variables('eventHubNamespaceName')]",
            "location":"[parameters('location')]",
            "sku":{
                "name": "[parameters('eventHubSku')]",
                "tier": "[parameters('eventHubSku')]",
                "capacity":1                
            },
            "properties": {
                "isAutoInflateEnabled": false,
                "maximumThroughputUnits":0
            }
        },
        {
            "apiVersion":"2017-04-01",
            "type": "Microsoft.EventHub/namespaces/eventhubs",
            "name":"[concat(variables('eventHubNamespaceName'),'/',variables('eventHubName'))]",
            "location":"[parameters('location')]",
             "dependsOn": [
                 "[resourceId('Microsoft.EventHub/namespaces', variables('eventHubNamespaceName'))]"
                ],
            "properties": {
                "messageRetentionInDays":1,
                "partitionCount":1
            }
        }
    ]
  }