Saving Scope Data after each iterations

Hello, I am facing a problem where I have to save Scope data having multiple variables. I am using the code shown below but its not working for me as I want to save the data after every iteration. How can I do that?

Any help would be greatly appreciated. Thanks!

for i =1:numel(All_IR)
    IR=All_IR(i)
    simOut=sim('ModelName.slx')
    save('dataset.mat',i)
end