Application Bar - Caption Property
Text to be displayed within the title bar
Member of Application Bar (PRIM_MD.AppBar)
Data Type - String
Details
The Caption property specifies the text to be displayed within the control.
A caption can be either a literal string or a Multilingual Variable that will show the correct string for the current runtime language. If the caption is too long to fit in the control it will be clipped or show ellipses.