|- valign="top"
| {{Code|csv}}
| Defines the way how data is serialized as CSV. {{Version|7.8}}
| see [[CSV Module]]
|
|- valign="top"
| {{Code|json}}
| Defines the way how data is serialized as JSON. {{Version|7.8}}
| see [[JSON Module]]
|
|- valign="top"
| {{Code|limit}}
| Stops serialization after the specified number of bytes has been serialized. If a negative number is specified, everything will be output. {{Version|7.8.2}}
| ''positive number''
| {{Code|-1}}