Update another worksheet row field with save button

[Omer_Senol]

Hi,
I have a delivery services apllication.
Shortly story;
I have a stock list (products status field is usable)
I open a referral form. And select multiple records from stock list table.
I want to, when i click/press save button, change to product status field change to RESERVED.

How can I do this change? Thanks for your support.