> For the complete documentation index, see [llms.txt](https://docs.seldon.ai/seldon-core-2/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.seldon.ai/seldon-core-2/resources/apis/internal/chainer.md).

# Chainer

Learn about the internal Chainer API in Seldon Core, including model chaining, tensor mapping, and pipeline configuration.

This API is for communication between the Seldon Scheduler and the Seldon dataflow component which manages pipelines.

## Proto Definition

{% @github-files/github-code-block url="<https://github.com/SeldonIO/seldon-core/blob/v2/apis/mlops/chainer/chainer.proto>" %}