Firebase dynamic link, clear it after using once

Question

https://firebase.google.com/docs/dynamic-links/android/receive

states that

Calling getDynamicLink() retrieves the link and clears that data

Answer 1

The answer is in the documents:

You must call getDynamicLink() in every activity that might be launched by the link, even though the link might be available from the intent using getIntent().getData(). Calling getDynamicLink() retrieves the link and clears that data so it is only processed once by your app.

You normally call getDynamicLink() in the main activity as well as any activities launched by intent filters that match the link.