How to access variable inside jquery promise -

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i have variable declared inside function , same function contain code ajax call. want access variable inside .done ,fail & always function of promise. on consoling inside done logging undefined

// rest of code click:function(event){     var gettrtcode = "somevar";     var makecall = $.ajax({          url:"someurl"       })      makecall.done(function(response){             console.log(" *******  "+gettrtcode);                      })         .always(function(){                      })             }

edit

i dont want make gettrtcode global variable


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