...
Open the application side menu (F2 or button top left), scroll to the bottom and open Custom/Hawksearch.
Select the Indexes category on the left.
Click New index mapping.
For Dispay Display Name choose the name you’d like to see in the Hawksearch widgets, e.g. “Main”.
For Hawksearch Name you can either choose an existing index name from Hawksearch or leave it empty. It will be populated and updated whenever this index gets reindexed.
...