Change constant during simulation in Simulink

I update my constants during simulation in following way: run simulation, stop, change const, run, stop and so on. But how can i do this programmatically? This is the picture what should be result.

Answer 1

[Azzi Abdelmalek]

Look at set_param function

Answer 2

[Vincent Nicolazzo]

Check out this link. It's not the best method but it worked for me. I would run my simullation and change the value of the constant in the command window.

https://www.mathworks.com/help/simulink/ug/parameter-values-and-specification-methods.html