Automation only to specific item

Hi Monday Masters! I have the following need and want to know if it is possible, and if so, how can I do it:

I have a task in a group, and when it’s status is set as “done”, I need it to change the status of a task in another group. And I need the automation to apply only to these two specific tasks, not to the whole board.

Is this possible? Can someone help me? Very much appreciated.

Thanks!