---
url: "https://vueda.dev/v3/reference/api/py/vueda.workflow.serializers/TransitionSerializer.md"
title: "TransitionSerializer"
---

# TransitionSerializer

## Overview

Serializer mixin that builds structured metadata about expandable fields for the
``/info/`` meta-API and OpenAPI schema. Automatically omits ``available_actions``
from nested expand representations.

## `Meta` {#Meta}

### Source {#Meta-source}

`server/vueda/workflow/serializers.py:71`

## Source

`server/vueda/workflow/serializers.py:68`