MobileButton.Caption
From Xojo Documentation
Property (As String )
aMobileButton.Caption = newStringValue
or
StringValue = aMobileButton.Caption
New in 2020r2
Supported for all project types and targets.
or
StringValue = aMobileButton.Caption
New in 2020r2
Supported for all project types and targets.
The text/caption of the button.
See Also
CaptionFont and CaptionColor properties.