How to use variables in between GUI function?

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I am very new to GUI and so far for my understanding is that you can only put a tag's name behind handles. to communicate between different functions. For example, one uses axes(handles.axes1) inside a push button function.
For my case, I have several functions inside a GUI and there is one variable that is produced by one function, which is not defined previously when I made the GUI layout by GUIDE, it is only produced when the code is run and I would like to use it later in a pushbutton function, in this case, what should I do to make this variable outside of its mother function in order to be used in my pushbutton function?
Sorry if I sound confusing.
Any discussion/help is welcomed! Thanks!

Accepted Answer

Azzi Abdelmalek
Azzi Abdelmalek on 25 Jul 2016
To call the variable
chlor thanks
chlor thanks on 27 Jul 2016
This makes sense, thanks for the tips! I will keep them in mind.

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