Summary

Callbacks for the asset system. Add this interface to your Widget to get events.

Methods

OnAssetChanged	An asset has been modified
OnAssetSystemChanges	Changes have been detected in the asset system. We won't tell you what, but you probably need to update the asset list or something.
OnAssetTagsChanged	Called when a new tag has been added to the asset system.
OnAssetThumbGenerated	The thumbnail for an asset has been updated