n8n-docs/docs/flow-logic/subworkflows.md

contentType	description
howto	Call workflows from other workflows, and split large workflows into smaller components.

Sub-workflows

You can call one workflow from another workflow. This allows you to build modular, microservice-like workflows. It can also help if your workflow grows large enough to encounter memory issues. Creating sub-workflows uses the Execute Workflow and Execute Sub-workflow Trigger nodes.

Set up and use a sub-workflow

This section walks through setting up both the parent workflow and sub-workflow.

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How data passes between workflows

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Sub-workflow conversion

See sub-workflow conversion for how to divide your existing workflows into sub-workflows.