system_setproperty set a system property for a given JVM key to a given value.

## Syntax

    prev = system_setproperty(key,value)

## Arguments

prev

  a string previous value or []

key

  a string

value

  a string

## Description

Sets the system property indicated by the specified key.

Warning : change property with precaution.

## Examples

    system_getproperty('myproperty')
    system_setproperty('myproperty','hello')
    system_getproperty('myproperty')

## See also

- system_getproperty
- setenv
- getenv
- root_properties