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ABAP Keyword Documentation → ABAP − Reference → User Dialogs → Screens → ABAP Statements for Screens →Syntax
SET SCREEN dynnr.
Effect
This statement sets thescreen with the screen number specified in dynnr, as the next screen for processingof the current screen. For dynnr, a data object of type n and length 4 is expected. It must contain either the screen number of a screen in the main program of the current program group or the value 0, otherwise a non-catchable exception will be triggered. The specified next screen overwrites the previously-set next screen.
The next screen is automatically called when the system finishes the PAI processing of the current screen. If the screen number of the next screen is 0, the current next screen is ended.
Note
One next screen is always set during the processing of a screen. After you call a screen, the next screen whose characteristics are defined statically, applies; this next screen can be overwritten with the SET SCREEN statement for the duration of the actual next screen processing.