Yes its possible
it will behave like parameter
select option:s_matnr for mara-matnr NO INTERVALS NO-EXTENSION.
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On the "Multiple Selection" screen, you can also enter ranges for selection options with "NO INTERVALS".
By combining this addition with "NO-EXTENSION", you can restrict the user to entry of a single value for the selection option, but with the possibility of also choosing single value options like 'Greater than' or 'Less than or equal'.
By using the addition " NO INTERVALS" with SELECTION-SCREEN BEGIN OF BLOCK, you can activate the simplified display for all selection options in a block.
The function module SELECT_OPTIONS_RESTRICT allows you to restrict the set of selection options available for a SELECT-OPTION (for example, only single values and patterns, i.e. 'EQ' and 'CP' are allowed). You can also forbid the leading sign 'E' (= 'Exclude from selection'). This means that you can considerably restrict the selections which can be entered on the selection screen.
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This will be like parameter where a single value can be input
In selection query u need to use
"where matnr in s_matnr."
hope this solves ur issue.
reward if found useful
Ags..
