Fill mobile app collection link to other collection selected result

Dear all,

Using 2 list collection, i would like to fill the 2nd collection list depending on selected record from the 1st collection.

I tested some query like this to fill list Collection2 but witout any succes :

select * from table where id = {{}}

any help will be appreciated

I found solution building request like this :
select * from table where id = {{listCollection1.selectedItem['id']}}

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