Show selectable items of select list column as a reference?

[11177]

Hi @paul_p !

Thank you so much for your reply!

There’s a problem.

If you select several projects, there should be tasks for all of them in the drop-down list .

Here’s more details:

How can this be connected?

Hi @11177 , you need to append ListCombine() to List in the List column, as the resulting list has to be flattened first.