Unreal Engine 4.26 Documentation

Unreal Engine 4.27 Documentation

Unreal Engine 5.0 Documentation

Unreal Engine 5.1 Documentation

Unreal Engine 5.2 Documentation

Unreal Engine 5.3 Documentation

Light Theme

Dark Theme

Grammar

Used to define the lexical grammar for how an expression should be parsed, e.g. defining operators/preoperators etc.

Windows

MacOS

Linux

Syntax

Remarks

Used to define the lexical grammar for how an expression should be parsed, e.g. defining operators/preoperators etc.

Help shape the future of Unreal Engine documentation! Tell us how we're doing so we can serve you better.

Take our survey

Dismiss