Sharing an action card URL may be necessary for:
Sharing with a teammate in a chat message
Sharing with Hive support
Adding an action to Hive Note
It's very simple to do! Open the action card and click the 'share' icon in the bottom right:

and click "Copy share link":

Then, paste the action card URL in your destination:
A Hive chat message
In an Hive Note
In a Support chat with the Hive team