> For the complete documentation index, see [llms.txt](https://black-horizon-studios.gitbook.io/emerald-ai-wiki/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://black-horizon-studios.gitbook.io/emerald-ai-wiki/emerald-profiles-and-objects/reaction-object.md).
# Reaction Object
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**Important:** A [Sound Detector Component](/emerald-ai-wiki/emerald-components-optional/sound-detector-component.md) is needed in order to use these features.
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## Reaction Objects
Reaction Objects are a list of modular reactions an AI will make when certain sound related mechanics happen, such as hearing a collision noise or reaching different Threat Levels. These reaction are always followed from top to bottom with various settings for controlling delays and conditions allowing for further unique and believable functionality.
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Here are the available tutorials and guides for the Reaction Object.
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