> ## Documentation Index > Fetch the complete documentation index at: https://docs-beta-fuze.chaoslab.co.nz/llms.txt > Use this file to discover all available pages before exploring further. # Sub-Blueprints > Reusable LEGO blocks for your automations # Sub-Blueprints A Sub-Blueprint is a mini Blueprint you can drop into other Blueprints. They're great when you want to save common patterns once and reuse them everywhere. Sub-Blueprint *** ## When to use Sub-Blueprints Use them for things you repeat often, like: * Standard formatting (names, dates, fields) * Shared notifications (Slack/email) * Routine follow-ups (create tasks, update records) * Cross-team consistency ("log this to a sheet", "notify sales") Right now, Sub-Blueprints work best for background tasks your main Blueprint doesn't need to wait on. *** ## Call Sub-Blueprint Once a Sub-Blueprint is created, you can add it as a step inside another Blueprint. Call Sub-Blueprint step Sub-Blueprint selection Sub-Blueprint configured **Example uses:** * **SharePoint Uploader:** A sub-blueprint that uploads outputs to SharePoint at the end of many Blueprints * **Report Builder:** A sub-blueprint that generates a report you reuse across multiple processes