Include headers
Description
Specify interface header code containing types and function declarations to import into Simulink®.
Category: Simulation Target
Settings
Default: ' '
Tips
- Write valid C/C++ code. When you include a custom header file, use the - #includedirective. You can also include- externdeclarations of variables or functions. 
- Additionally, for versions R2024a or later, you can include a custom header file without the - #includedirective. However, mixed declarations in a single configuration parameter set are not supported. For this parameter, mixed declarations occur when any one of the following conditions is met.- Declaring header files with and without the - #includedirective.
- Include valid C/C++ code and declare header files without the - #includedirective.
 - (since R2024a)  
Command-Line Information
| Parameter: SimCustomHeaderCode | 
| Type: character vector or string scalar | 
| Value: any C code | 
| Default: "" | 
Recommended Settings
| Application | Setting | 
|---|---|
| Debugging | No recommendation | 
| Traceability | No recommendation | 
| Efficiency | No recommendation | 
| Safety precaution | No recommendation |