---
updatedAt: 2026-09-07T11:12:46.000Z
agentTools:
  projectIndex: https://docs.nacelle.com/llms.txt
---

# Metafields

key-value pairings for all objects

Metafield objects all follow this standard key-value structure in Nacelle

* **id:** ID!

* **namespace**: String!

* **key**: String!

* **value**: String!