# System Parameters

'JV' | JSON Version

## Description

Sets which version of the JSON constructor to use.

JV | Version | Description
0 | JSON constructor Version 0 | Initial release.
1 | JSON constructor Version 1 | Enhanced JSON processing.
2 | JSON constructor Version 2 | Improved performance in the generation of large JSON strings. See Note.

#### Note:
When using 'JV'=2, all data is automatically sorted.

(The 'JV' system parameter was added in PxPlus 2019.)
(Support to change the default value from 'JV'=1 to the new version 'JV'=2 was added in PxPlus 2022.)

## Default

2

## See Also

*OBJ/JSON – JSON Object