button with redirect to an add page

Hello,
How can I add a button on the list page so that I can redirect the user to a specific addition page?
The code should contain the masterkey.
The link should include something like:
client_add_etic_albe_add.php?masterkey1=1&masterkey2=36788474&masterkey3=2%20PLUS%201%20ADVERTISING%20SRL&masterkey4=END%20USER&masterkey5=0&masterkey6=CURIER&mastertable=clienti