You should use the Launch new Chrome action after the new tab is opened. You need the tab to be open to be able to attach to it. Again, you will be using Launch new Chrome to attach to the tab, and not to open it. Pressing the button opens it.
You can also use the title of the page instead of the URL. Perhaps that's a more static thing to use? Alternatively, you can simply attach to the foreground window, if the new tab is automatically opened when you click the button. Try it and see if that works for you.
-------------------------------------------------------------------------
If I have answered your question, please mark it as the preferred solution. If you like my response, please give it a Thumbs Up.
I also provide paid consultancy and development services using Power Automate. If you're interested, DM me and we can discuss it.
