help in svm classification?

hello every one

I have a code for image classification that uses the svm as classifier it uses as a command multisvm

this is the code : result = multisvm(TrainingSet,GroupTrain,TestSet)

the command multisvm is now change by fitcsvm when i use tthis command for the same parametre i have an error in using fitcsvm

pleas how can use fitcsvm in this command : result = multisvm(TrainingSet,GroupTrain,TestSet)