Data Cursor in GUIDE: How can I pass variable names or other data in to be displayed in the data cursor in GUIDE?

I have a program that plots thousands of data points from a matrix in a GUI. I have the default Data Cursor in the toolbar, but the data it displays isn't enough. I'd like to be able to pass in certain variables (titles, track number, etc.) using the already existing matrices. Can this be done?

I know you can edit the 'X' and 'Y' string values by right clicking and selecting "Edit Text Update Function," but is there a way to add other outputs from a global in there?