I am deploying a python azure function onto an ASP with SKU of P1V3

I used to use a connection string of WEBSITE_CONTENTAZUREFILECONNECTIONSTRING and it worked well.

Now, as security concerned, I want to migrate it to managed identity.

The bicep looked like:

resource sampleFunctionApp 'Microsoft.Web/sites@2023-12-01' = {
  name: uniqueSampleFunctionName
  location: location
  kind: 'functionapp,linux'
  identity: {
    type: 'SystemAssigned, UserAssigned'
    userAssignedIdentities: {
      '${umi.id}': {}
    }
  }
  properties: {
    serverFarmId: hostingPlan.id
    siteConfig: {
      linuxFxVersion: 'Python|3.9'
      appSettings: {
        {
          name: 'AzureWebJobsStorage__accountName'
          value: storage.name
        }
        {
          name: 'WEBSITE_CONTENTSHARE'
          value: toLower(uniqueSampleFunctionName)
        }
        {
          name: 'FUNCTIONS_EXTENSION_VERSION'
          value: '~4'
        }
        {
          name: 'WEBSITE_NODE_DEFAULT_VERSION'
          value: '~14'
        }
        {
          name: 'APPINSIGHTS_INSTRUMENTATIONKEY'
          value: appi.properties.InstrumentationKey
        }
        {
          name: 'FUNCTIONS_WORKER_RUNTIME'
          value: functionWorkerRuntime
        }
        {
          name: 'EventHubConn__fullyQualifiedNamespace'
          value: '${eventHubNamespaceName}.servicebus.windows.net'
        }
        {
          name: 'EventHubConn__tenantId'
          value: '72f988bf-86f1-41af-91ab-2d7cd011db47'
        }
        {
          name: 'EventHubConn__clientId'
          value: umi.properties.clientId
        }
        {
          name: 'CosmosConn__accountEndpoint'
          value: 'https://${cosmosdbName}.documents.azure.com:443/'
        }
        {
          name: 'CosmosConn__tenantId'
          value: '72f988bf-86f1-41af-91ab-2d7cd011db47'
        }
        {
          name: 'CosmosConn__clientId'
          value: umi.properties.clientId
        }
      ]
      ftpsState: 'FtpsOnly'
      minTlsVersion: '1.2'
    }
    httpsOnly: true
  }
}

However, error raised :

[{"code":"BadRequest","target":"/subscriptions/e2108557-56b7-4d88-88e4-fdc4f0468d32/resourceGroups/wcx-rg-equal-mas-apps-dev/providers/Microsoft.Web/sites/mas-sample-func-lmyvtb5moi22y","message":"{rn  "Code": "BadRequest",rn  "Message": "Required parameter WEBSITE_CONTENTAZUREFILECONNECTIONSTRING is missing.",rn  "Target": null,rn  "Details": [rn    {rn      "Message": "Required parameter WEBSITE_CONTENTAZUREFILECONNECTIONSTRING is missing."rn    },rn    {rn      "Code": "BadRequest"rn    },rn    {rn      "ErrorEntity": {rn        "ExtendedCode": "01010",rn        "MessageTemplate": "Required parameter {0} is missing.",rn        "Parameters": [rn          "WEBSITE_CONTENTAZUREFILECONNECTIONSTRING"rn        ],rn        "Code": "BadRequest",rn        "Message": "Required parameter WEBSITE_CONTENTAZUREFILECONNECTIONSTRING is missing."rn      }rn    }rn  ],rn  "Innererror": nullrn}"}]}}

After checking this document, WEBSITE_CONTENTAZUREFILECONNECTIONSTRING

I found the appsetting of WEBSITE_CONTENTAZUREFILECONNECTIONSTRING can be straightly removed in the deprecated ASP.

As I am using an ASP with SKU P1V3, I believe there is no need to setup the WEBSITE_CONTENTAZUREFILECONNECTIONSTRING.

Did I miss anything important?

Is the appsetting of WEBSITE_CONTENTAZUREFILECONNECTIONSTRING still necessary in my case?