How to draw rectangle box on face

I have 10 images of a person and totally i have images of 10 persons. So totally i have 100 images, I need to add green rectangular box on every image to detect face, Can anyone help me with the code please

Answer 1

[Walter Roberson]

https://www.mathworks.com/help/vision/ref/vision.cascadeobjectdetector-class.html#btaovqu