---
title: "on-behalf-of: definition | KYE Protocol™ glossary"
description: "on-behalf-of: The relationship between actor and principal."
url: https://kyeprotocol.com/glossary/on-behalf-of/
lang: en
source: "KYE Protocol"
---

> on-behalf-of: The relationship between actor and principal.

Core protocol

# on-behalf-of

The relationship between actor and principal.

The relationship between actor and principal. A first-class object in the protocol — not a header, not a claim, an object with its own schema and endpoint.

KYE™ Minute explains this term in an episode dated 8 December 2026, once podcast audio is switched on.

**Source** The KYE Protocol™ glossary, [as published](https://kyeprotocol.com/glossary/#on-behalf-of). Not legal advice.