ManagedIdentity.json

{
    "$schema": "http://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
    "contentVersion": "1.0.0.0",
    "parameters": {
        "identityName": {
            "defaultValue": "[concat('id-', uniqueString(resourceGroup().id))]",
            "type": "String",
            "metadata": {
                "description": "Name of the user assigned identity"
            }
        },
        "resourceTag":{"type":"string"}
    },
    "variables": {},
    "resources": [
        {
            "type": "Microsoft.ManagedIdentity/userAssignedIdentities",
            "apiVersion": "2018-11-30",
            "name": "[parameters('identityName')]",
            "tags":{"Quality":"[parameters('resourceTag')]"},
            "location": "[resourceGroup().location]"
        }
    ],
    "outputs": {
      "ObjectId": {
        "type": "string",
        "value": "[reference(concat('Microsoft.ManagedIdentity/userAssignedIdentities/', parameters('identityName')), '2018-11-30', 'Full').identity.principalId]"
      }
    }
}