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# LogiView

## Function 'widget_id_fat'

| This function returns the widget Id of the head form for the forwarded Id of a child widget in a combined form.
| ### Syntax:
| {INT_VAR}= widget_id_fat ({WDG_ID})
| ### I/O parameters:
| {WDG_ID} | ID of the (child) widget.
| - |
| ### Return value:
| {INT_VAR} | ID of the (parent) widget.
| ### Example:
| Declaration of Variables
     20 DOKU_INT_1 = widget_id()
     30  WDG_FAT = widget_id_fat(DOKU_INT_1)
     40  if (WDG_FAT != 0)
     50  field_read(WDG_FAT,"T_PRO_DAT.START_TERMIN",0,ARP_START_DATE_S)
     ..  ..
     90  endif
| Functions and commands: Editing Masks