---
title: "Tag Introduction"
slug: "tag-introduction"
updated: 2024-09-23T19:36:53Z
published: 2024-09-23T19:36:53Z
canonical: "docs.ai-op.com/tag-introduction"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.ai-op.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Tag Introduction

### What is a tag?

A Koios tag is a single value field capable of being read and written to a device as well as being bound to an AI model. Tags are added underneath a device and, depending on the protocol, given some unique identifier to connect to a tag/parameter inside the end device.