#set($bookingid = $util.defaultIfNullOrBlank($ctx.args.bookingid, $util.autoId()))
        {
          "version" : "2018-05-29",
          "operation" : "PutItem",
          "key": {
              "bookingid": $util.dynamodb.toDynamoDBJson($bookingid)
          },
          "attributeValues" : {
              "resourceid": $util.dynamodb.toDynamoDBJson($ctx.args.resourceid),
              "userid": $util.dynamodb.toDynamoDBJson(${context.identity.sub}),
              "starttimeepochtime": $util.dynamodb.toDynamoDBJson($ctx.args.starttimeepochtime),
              "timestamp": $util.dynamodb.toDynamoDBJson($util.time.nowISO8601())
          }
        }