Choosing a specific data from a structure

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Hello,

I'm trying to access a structure data by using this code :

File      = fullfile(Path, sprintf('%s.mat',Name));
FileData  = load(File, Name2);
Alpha     = FileData.Name2.Vectors;

Where Path is the path where the structure is stored; Name is the name of the structure and Name2 is the name of one of the .mat file stored in the structure. All works fine util the loading process.

Now i want to choose a specific data stored in Name2.mat which is "Vectors". The problem is that "Name2" is an input of a function so "FileData.Name2.Vectors" won't works in a function. i want to know is there a way to fix this issue?

thank you for your help