{
  "$schema": "http://json-schema.org/draft-07/schema",
  "$id": "ActionUpdatePlaceholderBlock",
  "type": "object",
  "description": "Content of action that updates a placeholder",
  "properties": {
    "actionType": {
      "type": "string",
      "description": "Action Type",
      "const": "UPDATE_PLACEHOLDER"
    },
    "placeholderId": {
      "type": "string",
      "description": "Id of the placeholder to update"
    },
    "value": {
      "type": "string"
    }
  },
  "additionalItems": false,
  "required": [
    "actionType",
    "placeholderId",
    "value"
  ]
}