To enable activity sharing
1. Open the Bigin app on your iPhone.
2. Tap the
More 
icon at the bottom right of the screen.
3. Select
Settings 
.
Under "Manage Privacy", you can find the title "Privacy & Security".
4. Tap on Privacy & Security > Share Activities with Siri.
5. Tap the
toggle switch 
to enable activity sharing with Siri.

Note: Once you've enabled activity sharing, your Bigin app usage pattern is shared with Apple for improved Shortcuts and Widget suggestions.