This is a paid asset, but now you can download Game Action System PRO for FREE, Please keep in mind this package is provided only for learning purposes or to be able to test before buying the product, NOT FOR COMMERCIAL PURPOSES.
Detail this asset from Unity Store: Original Link
Game Action System PRO v1.0
Setup complex gameplay logic in the editor in an easy, extendable and modular way with our Game Action System.
Introducing Gameplay Action System, the essential asset for streamlining gameplay development in Unity. With this powerful tool, you can quickly and easily set up gameplay events and logic directly within the Unity Editor.
Gameplay Action System makes it simple to define triggers and actions, allowing you to perform tasks with ease when they are invoked. Create complex gameplay mechanics or trigger special effects in response to player actions.
The system is highly customizable and can easily be modified and extended to fit your specific project needs. With a flexible architecture and intuitive interface, it’s easy to add new functionality and expand the system as your project evolves by writing custom action tasks.
The pro version comes with additional scene gizmos, indicating the relationship between triggers and actions, to improve your workflow and making it easier to debug your scenes.
Features
Setup gameplay triggers and actions in the editor
Create complex event based gameplay mechanics
Easy to use
Modular and extendable solution
Complete Source Code included
Scene gizmos showing the connection between triggers and actions (Pro version only)
Online Documentation and Support
Our Online Documentation covers all you need to get started including a basic introduction to all features and scripting examples.