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# LogiView

## Command 'field_set_qry'

| The 'field_set_query' command copies a selection value to a mask field. The selection value corresponds to the entry made by the user when searching the mask field interactively. This command works similar to the DataView programming interface function 'mas_wri_sel'.
| ### Syntax:
| field_set_qry({WDG_ID},{FLD},{EXPR})
| ### I/O parameters:
| {WDG_ID} | ID of mask widget
| {FLD} | Name of field
| {EXPR} | selection value
| - |
| ### Return value:
| - |
| ### Example:
| Declaration of Variables
    10 DOCU_INT_1 = widget_id()
    20 field_set_qry(DOCU_INT_1,"T_DOC_DAT.LEV_IND","910 | 915")
    30 field_set_qry(DOCU_INT_1,"T_DOC_DAT.AGG_FLAG","0")
    40 RES = @wdh_upd_lis()
| Result: The current document widget is searched for records with the progress indicator ("..LEV_IND") 910 or 915 that are not assigned to any other (father) elements ("...AGG_FLAG" = "0").
| Functions and commands: Modification of Fields