How to plot ROC curve for SVM predictor and compare will other models in one curve

Hi,

Is there anyone that can help me soon. I have to finish this part of my Master project urgently!

I used the three prediction models (DT, SVM, and naive Bayes). I faced two issues:

1- How can I plot the ROC curve for the SVM model?

2- How can I plot all three model results only on one ROC?

Thank you and regards,

Vida