---
title: Processing engine reference
description: >
  The InfluxDB 3 Processing engine is an embedded Python virtual machine
  that runs inside {{< product-name >}} to execute Python code in response to triggers you define without requiring external application servers or middleware.
menu:
  influxdb3_core:
    name: Processing engine
    parent: Reference
weight: 101
influxdb3/core/tags: [plugin, database, python]
source: /shared/influxdb3-reference/influxdb3-processing-engine.md
---

<!--
The content of this file is at
//SOURCE - content/shared/influxdb3-reference/influxdb3-processing-engine.md
-->