Unreal Engine Gameplay Ability System (GAS) -- C++ Guide

Official Documentation (always consult for latest details)

These are the authoritative sources. Reference them for up-to-date API details, as GAS evolves across engine versions:

Source	URL
Epic GAS Landing Page	https://dev.epicgames.com/documentation/en-us/unreal-engine/gameplay-ability-system-for-unreal-engine
Understanding GAS (Overview)	https://dev.epicgames.com/documentation/en-us/unreal-engine/understanding-the-unreal-engine-gameplay-ability-system
ASC & Attributes	https://dev.epicgames.com/documentation/en-us/unreal-engine/gameplay-ability-system-component-and-gameplay-attributes-in-unreal-engine
Gameplay Abilities	https://dev.epicgames.com/documentation/en-us/unreal-engine/using-gameplay-abilities-in-unreal-engine
Attributes & Attribute Sets	https://dev.epicgames.com/documentation/en-us/unreal-engine/gameplay-attributes-and-attribute-sets-for-the-gameplay-ability-system-in-unreal-engine
Gameplay Effects	https://dev.epicgames.com/documentation/en-us/unreal-engine/gameplay-effects-for-the-gameplay-ability-system-in-unreal-engine
Ability Tasks	https://dev.epicgames.com/documentation/en-us/unreal-engine/gameplay-ability-tasks-in-unreal-engine
Community GAS Docs (tranek)	https://github.com/tranek/GASDocumentation

The community docs by tranek are the most comprehensive single resource for GAS. They cover advanced topics (prediction internals, optimization, replication modes, pitfalls) that Epic's official docs do not. Always check them for edge cases and production patterns.

unreal-gas

Unreal Engine Gameplay Ability System (GAS) -- C++ Guide

Official Documentation (always consult for latest details)