# User-defined Operations - [Overview of UDO](https://docs.qualcomm.com/doc/80-63442-2/topic/udo_overview.html) - [Defining a UDO](https://docs.qualcomm.com/doc/80-63442-2/topic/udo_operator_definition.html) - [Defining a UDO Package](https://docs.qualcomm.com/doc/80-63442-2/topic/udo_package_definition.html) - [Creating a UDO Package](https://docs.qualcomm.com/doc/80-63442-2/topic/creating_udo_package.html) - [Compiling a UDO package](https://docs.qualcomm.com/doc/80-63442-2/topic/compiling_udo_package.html) - [Compiling a UDO package for Windows](https://docs.qualcomm.com/doc/80-63442-2/topic/compiling_udo_package_for_windows.html) - [Preparing a model with UDO](https://docs.qualcomm.com/doc/80-63442-2/topic/preparing_model_with_udo.html) - [Running a model with UDO](https://docs.qualcomm.com/doc/80-63442-2/topic/running_model_with_udo.html) Last Published: Oct 02, 2025 [Previous Topic Quantized vs Non-Quantized Models](https://docs.qualcomm.com/bundle/publicresource/80-63442-2/topics/quantized_models.md) [Next Topic Overview of UDO](https://docs.qualcomm.com/bundle/publicresource/80-63442-2/topics/udo_overview.md)