{
  "name": "UpdatedFunction",
  "description": "Updated description",
  "dataSourceName": "MyDynamoDBDataSource",
  "requestMappingTemplate": "{\"version\":\"2018-05-29\",\"operation\":\"GetItem\"}",
  "responseMappingTemplate": "$util.toJson($ctx.result)",
  "functionVersion": "2018-05-29"
}