Marker and color change on step plot

I want to change the color and marker style and size in step response plot through matlab code in the code. How can it be done ?

[José-Luis]

You're probably gonna have to plot segment by segment.

[Creatlee]

If you give a pseudo code about what you want to get, it helps who knows how to do it.

[Rakesh Jain]

I got it. stepplot is the command by which color and marker color can be changed. Thanks