MATLAB: Accessing field names in struct

MATLABstruct

I've the following struct
test = struct(...
            'a',false,...
            'b',false,...
            'c',false,...
            'd',false,...
            'e',false,... 
            'f',false,...
            'g',true...
        );
How do get the field name that has a value true ?
Expected result:
g
Any suggestions?

Best Answer

F = fieldnames(test) ;
F(cell2mat(struct2cell(test)))
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