USERDATA ($WBFN) - retrieve value of WB_UserData

Availability
USERDATA is available for use with all WBSP commands when WB_UserData variable is defined.

Syntax
$WBFN{USERDATA}
$WBFN[USERDATA]

Arguments
USERDATA function does not have any arguments.
 

Returns
A processed value of WBSP system variable WB_UserData.