My own binary sequence as input (data source)..

In MATLAB Simulink, I need to send my own binary sequence as input to a MATLAB function module? How to do that? What type of source should i have to use? Please help me in this regarding.. EXAMPLE: I need to send 1110001100 sequence as an input to NRZ pulse generator (MATLAB function module).. how to send 1110001100 as input to that module??