Access business.facebook.com and make sure you’re in the correct business portfolio. If you have more than one business portfolio, you can usually switch between portfolios from the upper-left corner.
Once you’re in the correct portfolio, go to Settings and click on Partners.
Click Add, select Give a partner access to your assets, and paste 343635054189852 (Brij’s Business ID) into the field.
Then, select the assets you want to share. If you’re sharing access to your Ad Account, choose the Ad Account and grant View Performance access only.
Then, select Datasets and grant Use events dataset access.
After clicking Assign assets, go to How will you work with Brij and select the option Brij creates or manages audiences for my business.
And you’re all set! ✅