How to pass params to form?

I have drop down with add new button.

When I press this one I get empty form.

How can I pass params from base form ?

I have found this action with formula
CONCATENATE("#page=detail&table=Animals&row=", ENCODEURL([Баласы]) )

Where I need to write params to pass ?

If this is linktoview formula I uderstand. But this formula I can’t understand