How to use the Inventory feature:

Navigate on the bottom bar to 'Groups', then tap 'Sheep' at the top.

Go into group you want to use for the Inventory feature by clicking the chevron.

Tap the 'Action >>>' button.

Select 'Inventory'.

Scan all the sheep in that group.

Tap 'Inventory Complete'.

Go back to the 'Groups sections'.

Select 'Auto' at the top.

Open the group with Lost Tags.

Orange - New Tag to iLivestock, added to App & Group.

Green - Existing Tag within Group & App, scanned for first time in check.

Red - Existing Tag within App but not in Group.

Yellow - Already checked, previously scanned in session (checked in list).