Form.Query Property (Access)
Returns or sets a String indicating which macro, event procedure, or user-defined function runs when the Query event occurs. Read/write.
Valid values for this property are "macroname" where macroname is the name of macro, "[Event Procedure]" which indicates the event procedure associated with the BeforeInsert event for the specified object, or "=functionname()" where functionname is the name of a user-defined function.
This property corresponds to the On Query property that is displayed in a form's property sheet.