Creating a Function with a screen

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Hi,

what I'm trying to do is create a screen within a function. What I would like to do is display a number of lines from an internal table, and have ICONS, which I can decide what happens when the user selects an icon ( Pf-status)

What I have done is the following so far, but it will not compile

FUNCTION z_fs_spool_history.

*"----

""Local interface:

*" IMPORTING

*" VALUE(ID_LIST) TYPE SP01R_ID_LIST

*"----

TABLES tsp02.

CALL SCREEN '100'.

Dialog Module PBO

MODULE status_0100 OUTPUT.

ENDMODULE. "STATUS_0100 OUTPUT

Dialog Module PAI

*MODULE user_command_0100 INPUT.

*ENDMODULE. "USER_COMMAND_0100 INPUT

ENDFUNCTION.

Am I approaching this the right way? Or is there a better way of doing this?