---
title: "Joins specification"
sub_link: "joins/specification"
code_link: "https://github.com/polyaxon/cli/blob/master/cli/polyaxon/_flow/joins/__init__.py"
meta_title: "Joins for aggregating results from upstream runs - Polyaxon automation"
meta_description: "Joins for running a component based on the results of upstream or parallel runs and aggregating dynamically inputs, outputs, adn artifacts dynamically."
visibility: public
status: published
tags:
  - reference
  - polyaxon
  - polyflow
  - pipelines
  - joins
sidebar: "automation"
---

{{autogenerated}}
