Softimage SDK Programmer's Guide > Customizing Softimage using the SDK > Custom Fx Operators >

# Source Code Examples

Several source code examples are available in the %XSI_HOME%/XSISDK folder:

- colour_mix

- mix

- pinchpick

- swirl

- swirldraw

## Additional Reference Information

For complete details about the functions available for creating custom Fx operators, see the UFO Library Functions and the UFO User Functions on the Softimage Wiki.