To manipulate things in Unreal with Python, you will need to use the Unreal Python API.

Table of contents

Unreal Python API

The Unreal Python API (application programming interface) is a set of Python modules, classes, functions and types that let you manipulate things in Unreal. It comes in different version for each UE version:

• https://docs.unrealengine.com/5.1/en-US/PythonAPI/
• https://docs.unrealengine.com/5.0/en-US/PythonAPI/
• https://docs.unrealengine.com/4.27/en-US/PythonAPI/

This API is created by Unreal Engine developers and is much smaller than the C++ API, meaning you can’t do as much as with C++. That being said, there is already a ton of stuff you can do.

Using the API

To use that API, you first need to import the unreal module

import unreal

And then interact with it

unreal.log("This is a warning message")

All functions and classes of the API are listed here:

• https://docs.unrealengine.com/5.1/en-US/PythonAPI/
• https://docs.unrealengine.com/5.0/en-US/PythonAPI/
• https://docs.unrealengine.com/4.27/en-US/PythonAPI/

Learning the API

Because learning an API is a big pain in the neck, we won’t list and learn every feature of the API. Instead, I added cheat sheet scripts in Content/Python/Help/Unreal that you can checkout.