> For the complete documentation index, see [llms.txt](https://limechatai.gitbook.io/limechat-product-guide/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://limechatai.gitbook.io/limechat-product-guide/whatsapp-marketing/flows/overview.md).

# Overview

Key components and types of automation flows for marketing campaigns.

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## Introduction

*Automation Flows* are automated marketing campaigns, that are initiated based on the occurrence of an event. They are ideal for managing engagement with a customer across a purchase cycle.

Important components for flows:

1. Event Trigger
2. Message Nodes
3. Delay Nodes
4. Flow Splitter
5. Action Nodes

Lets look at flows for two broad categories:

1. Revenue Generating Flows
2. Non Revenue Generating Flows

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