How to modify a CFP Template (tlc) and generate code with changes?

Hello,

I would like to modify the Example-tlc-Files for Custom File Processing. The tlc-File can be edited in the Matlab Editor, for example the "example_file_process.tlc". In would like to change the define for the acceleration from 9.81 to 9.807 in line 71. After modifying this value and also other changes, I want to generate new code with the Embedded Coder. But the Embedded Coder does not inherit these changes. These changes will be taken over just after changing the configuration, for example changing the tlc-file, build, generate and changing again to the new modified tlc-file. This is very annoying and circuitous.

Is this a bug? Do I have to do additional steps?

Thanks in advance!

Mario