Simulink input to transfer function

I am trying to simulate the transfer function H(jw)= (15)/(jw + 15).  With the input being 2cos(6t).  
How do you add a input of 2cos(6t)? i can only find a generic cosine block.  

Answer 1

[Ameer Hamza]

The attached file shows an example of how to input that signal.