# Copy a stream to several branches

Control / flow

A variant of [Branch or loop](https://meridian.online/operations/branch-or-loop).

Send the same rows to several downstream branches, each getting a full copy.

Page: <https://meridian.online/operations/branch-or-loop/copy-a-stream-to-several-branches>

## Status

Not built yet.

arcform does not do this yet; it would live in how a Protocol runs. [Its place on the roadmap](https://meridian.online/roadmap#branch-or-loop)

## What other tools call it

Meridian's classification; an independent blind rating agreed on 95.7% of 324 rows (variant, version 3).

- Azure Data Factory: [`New branch`](https://learn.microsoft.com/en-us/azure/data-factory/data-flow-new-branch) (read 2026-09-27)
- Duckle: [`Replicate / Tee`](https://github.com/slothflowlabs/duckle/blob/f85f8960edfb6efbf4cb89d58a7b32e16df0e867/frontend/src/workflow-ui/palette-data.ts) (read 2026-09-25)
- Apache NiFi: [`ForkEnrichment`](https://nifi.apache.org/components/org.apache.nifi.processors.standard.ForkEnrichment/) (read 2026-09-27)
- RapidMiner Studio: [`Multiply`](https://docs.rapidminer.com/latest/studio/operators/utility/multiply.html) (read 2026-09-27)
- RapidMiner Studio: [`Multiply (In Database)`](https://docs.rapidminer.com/latest/studio/operators/extensions/In-Database%20Processing/indb_utility/indb_multiply.html) (read 2026-09-27)
- Talend: [`tReplicate`](https://help.qlik.com/talend/en-US/components/8.0/orchestration/orchestration-component) (read 2026-09-27)