You can enable the Tooltip and Document in XUI editor andTransaction editor.
Tooltip and Document can help you to get information of the element you hover over in Editing area of XUI editor orTransaction editor. You can enable/disable the function and set the shortcut for Document display. By default, it is set Ctrl+T.
1 Open Window > Preferences > UDTT > XUI Editor or Transaction editor.
Here takes XUI editor as an example.
2 Check Enable Tooltip and Enable Document.
3 Select the shortcut of displaying Document in Document Key.