Required Tags Azure Policy Modify Effect.json

{
  "mode": "All",
  "policyRule": {
    "if": {
      "allOf": [
        {
            "field": "[concat('tags[',parameters('Tag-Application'), ']')]",
            "exists": "false"            
        },
        {
          "field": "[concat('tags[',parameters('Tag-Environment'), ']')]",
          "exists": "false"            
        },
        {
          "field": "[concat('tags[',parameters('Tag-Created-By'), ']')]",
          "exists": "false"            
        },
        {
          "field": "[concat('tags[',parameters('Tag-Date-Created'), ']')]",
          "exists": "false"            
        },
        {
          "field": "[concat('tags[',parameters('Tag-Department'), ']')]",
          "exists": "false"            
        },
        {
          "field": "[concat('tags[',parameters('Tag-Owner'), ']')]",
          "exists": "false"            
        },
        {
          "field": "type",
          "equals": "Microsoft.Resources/subscriptions/resourceGroups"
        }
      ]
    },
    "then": {
      "effect": "modify",
      "details": {
        "roleDefinitionIds": [
            "/providers/Microsoft.Authorization/roleDefinitions/b24988ac-6180-42a0-ab88-20f7382dd24c"
                  ],
        "operations": [
            {
            "operation": "addOrReplace",
            "field": "[concat('tags[', parameters('Tag-Application'), ']')]",
            "value": "[parameters('Value-Application')]"
          },
          {
            "operation": "addOrReplace",
            "field": "[concat('tags[', parameters('Tag-Environment'), ']')]",
            "value": "[parameters('Value-Environment')]"
          },
          {
            "operation": "addOrReplace",
            "field": "[concat('tags[', parameters('Tag-Created-By'), ']')]",
            "value": "[parameters('Value-Created-By')]"
          },
          {
            "operation": "addOrReplace",
            "field": "[concat('tags[', parameters('Tag-Date-Created'), ']')]",
            "value": "[parameters('Value-Date-Created')]"
          },
          {
            "operation": "addOrReplace",
            "field": "[concat('tags[', parameters('Tag-Department'), ']')]",
            "value": "[parameters('Value-Department')]"
          },
          {
            "operation": "addOrReplace",
            "field": "[concat('tags[', parameters('Tag-Owner'), ']')]",
            "value": "[parameters('Value-Owner')]"
          }
        ]
      }
    }
  },
  "parameters": {
    "Tag-Application": {
      "type": "String",
      "metadata": {
        "displayName": "Tag-Application",
        "description": "Enter the application this resource belongs to."
      },
      "defaultValue": "Application"
    },
    "Value-Application": {
      "type": "String",
      "metadata": {
        "displayName": "Value-Application",
        "description": "Enter the application this resource belongs to."
      },
      "defaultValue": "Application"
    },
    "Tag-Environment": {
      "type": "String",
      "metadata": {
        "displayName": "Tag-Environment",
        "description": "Enter the environment this resource belongs to (i.e. dev, prod etc.)."
      },
      "defaultValue": "Environment"
    },
    "Value-Environment": {
      "type": "String",
      "metadata": {
        "displayName": "Value-Environment",
        "description": "Enter the environment this resource belongs to (i.e. dev, prod etc.)."
      },
      "defaultValue": "Enter the environment this resource belongs to (i.e. dev, prod etc.)."
    },
    "Tag-Created-By": {
      "type": "String",
      "metadata": {
        "displayName": "Tag-Created-By",
        "description": "Name of the person who created this resource."
      },
      "defaultValue": "Created-By"
    },
    "Value-Created-By": {
      "type": "String",
      "metadata": {
        "displayName": "Value-Created-By",
        "description": "Name of the person who created this resource."
      },
      "defaultValue": "Enter the name of the person who created this resource."
    },
    "Tag-Date-Created": {
      "type": "String",
      "metadata": {
        "displayName": "Tag-Date-Created",
        "description": "Date on which this resource was created."
      },
      "defaultValue": "Date-Created"
    },
    "Value-Date-Created": {
      "type": "String",
      "metadata": {
        "displayName": "Value-Date-Created",
        "description": "Date on which this resource was created."
      },
      "defaultValue": "Enter the date on which this resource was created."
    },
    "Tag-Department": {
      "type": "String",
      "metadata": {
        "displayName": "Tag-Department",
        "description": "The department this resource belongs to."
      },
      "defaultValue": "Department"
    },
    "Value-Department": {
      "type": "String",
      "metadata": {
        "displayName": "Value-Department",
        "description": "The department this resource belongs to."
      },
      "defaultValue": "Enter the department this resource belongs to."
    },
    "Tag-Owner": {
      "type": "String",
      "metadata": {
        "displayName": "Tag-Owner",
        "description": "Enter the owner of this resource."
      },
      "defaultValue": "Owner"
    },
    "Value-Owner": {
      "type": "String",
      "metadata": {
        "displayName": "Value-Owner",
        "description": "Enter the owner of this resource."
      },
      "defaultValue": "Enter the owner of this resource."
    }
  }
 }