Use application Browser activity URL

No i am asking is that the page is already opened and used classic activites now i am adding a new code using modern activty so in use applciation which url i hav to give as ex. https://forum.uipath.com/questions/answers/12344 this is actual url and i want to use ttps://forum.UiPath.com or ttps://forum.UiPath.com/* which is correct as the url changes freqently