How I can modify code generation configuration for m scripts?

I have m scripts for which when I try to generate the code I got error due to data type "Double". either I need to change the datatype or change the Codegen configuration. I didnt get the setting how to change the code gen config.

[Ryan Livingston]

Can you please copy and paste all of the errors into the question so we can give specific suggestions? How are you calling the codegen command? If there is a relevant snippet of MATLAB code, that would be helpful too.