Variable Input for State Space

Hello, I am working with a model in Simulink and I have the State Space. Now, the input (a temperature) is constant, but I want that that temperature varies respect on time. I have a matrix with information about that Temperature and the time that the sensor took that. Which is the best way to do that?

I would like to do something similar that the "Random Number" does, but with my data, which is not random.

Thank you so much for your help.