> This page is for Postman Flows, version Latest (v12) (default).
> For other versions, use one of these documentation indexes:
> - Latest (v12) (default): https://learning.postman.com/flows/latest-v-12/llms.txt
> - v11: https://learning.postman.com/flows/v11/llms.txt

> For clean Markdown content of this page, append .md to this URL. For the complete documentation index, see https://learning.postman.com/llms.txt.

# Trigger blocks overview

*Trigger blocks* include the following:

* [**Output**](/flows/reference/blocks/output-module/)
* [**Request**](/flows/reference/blocks/request/)
* [**Response**](/flows/reference/blocks/response/)
* [**Schedule**](/flows/reference/blocks/schedule/)
* [**Start**](/flows/reference/blocks/start/)
* [**MCP**](/flows/reference/blocks/mcp/)