WebDragItem.Tag
From Xojo Documentation
Property (As Variant )
aWebDragItem.Tag = newVariantValue
or
VariantValue = aWebDragItem.Tag
New in 2015r3
Supported for all project types and targets.
or
VariantValue = aWebDragItem.Tag
New in 2015r3
Supported for all project types and targets.
The tag which indicates the specific item that was dragged.