Grabbing variable names when passing into function

Question

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I would like to store a variable name, in addition to its content, when I pass it into a function. For example:

[VarData, VarName]= sampleFunct (inputVar)

I am writing the instantiation of my object (in OOP) and noticed that the name of one the variables that I am passing in is also useful, in addition to the data it contains.

I know I could just add a second parameter that allows me to input a string that I could assign to the name, but to streamline things and to reduce errors, I'd like to find a way to grab the variable's name.

I prefer NOT to alter the content of my inputVar, I just want to see what it had previously been named.

There may be a very simple way to do this. Thanks!