Deployment Scripts with Input

deploymentScript_input.bicep

param parSpnName string = 'my-input-parameter'

### hidden managed identity resource ###

resource resDeploymentScript 'Microsoft.Resources/deploymentScripts@2020-10-01' = {
  name: 'create-spn-for-kv'
  location: parLocation
  kind: 'AzurePowerShell'
  identity: {
    type: 'UserAssigned'
    userAssignedIdentities: {
      '${resManagedIdentity.id}' : {}
    }
  }
  properties: {
    azPowerShellVersion: '9.0'
    retentionInterval: 'P1D'
    arguments: '-SpnName ${parSpnName}'
    scriptContent: '''
      param (
        [string] $SpnName
      )
      $spnAppId = New-AzADServicePrincipal -DisplayName $SpnName | Select-Object -ExpandProperty AppId
      $DeploymentScriptOutputs = @{}
      $DeploymentScriptOutputs['appId'] = $spnAppId
    '''
  }
}