<!-- SVG_SET_DOCUMENT_VARIABLE ( Param_1 )
 -> Param_1 (Pointer)-->
## Description
 **SVG\_SET\_DOCUMENT\_VARIABLE** (Pointer)

Allows to record a pointer to the variable of the host database that will be updated after a call to **SVG\_SAVE\_AS\_PICTURE** or **SVG\_SAVE\_AS\_TEXT** You can call this method only once per session (in an init method for example) 

Pass a variable's pointer as a parameter (typically the Document variable) 

which will be updated after each call to the command **SVG\_SAVE\_AS\_PICTURE** or **SVG\_SAVE\_AS\_TEXT** Pass a nil pointer if you want to stop the link