Export multiple tables

I want to create an app which imported csv. files (4 tables).
On these tables I would like to create a search function that leach the data. Afterwards I would like to export the refines data to a csv. file.

Is it possible to export multiple tables at the same time? Which only one button?

You need to use Sequence of actions to execute multiple actions at the same time.

But I have to apply the sequence of action to one table and therefore I cannot add actions from other tables. Or am I missing something?

Execute an action on a set of rows is the key here: