From f5746ee0f68d7a98e615b02ba58ede4ae0103a42 Mon Sep 17 00:00:00 2001
From: Tulir Asokan <tulir@maunium.net>
Date: Tue, 27 May 2025 18:04:52 +0300
Subject: [PATCH] event: add omitempty for mod policy entity

Only one of hash and entity should be set
---
 event/state.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/event/state.go b/event/state.go
index 006ed2a5..028691e1 100644
--- a/event/state.go
+++ b/event/state.go
@@ -231,7 +231,7 @@ func (ph *PolicyHashes) DecodeSHA256() *[32]byte {
 // ModPolicyContent represents the content of a m.room.rule.user, m.room.rule.room, and m.room.rule.server state event.
 // https://spec.matrix.org/v1.2/client-server-api/#moderation-policy-lists
 type ModPolicyContent struct {
-	Entity         string               `json:"entity"`
+	Entity         string               `json:"entity,omitempty"`
 	Reason         string               `json:"reason"`
 	Recommendation PolicyRecommendation `json:"recommendation"`
 	UnstableHashes *PolicyHashes        `json:"org.matrix.msc4205.hashes,omitempty"`