WebToolbarItem.Tooltip
From Xojo Documentation
Property (As String )
aWebToolbarItem.Tooltip = newStringValue
or
StringValue = aWebToolbarItem.Tooltip
New in 2020r1
Supported for all project types and targets.
or
StringValue = aWebToolbarItem.Tooltip
New in 2020r1
Supported for all project types and targets.
A helpful message that describes the purpose of the WebToolbarItem.