NotificationResponseButton.IconName
From Xojo Documentation
Property (As String )
aNotificationResponseButton.IconName = newStringValue
or
StringValue = aNotificationResponseButton.IconName
New in 2021r3
Supported for all project types and targets.
or
StringValue = aNotificationResponseButton.IconName
New in 2021r3
Supported for all project types and targets.
The name of the icon.
Notes
The name must be either an SFSymbol, the name of an image in your project or the name of an image file in the root directly of the application bundle.