From ffe6c8b43046e7c1bf59837aec1978be6e64c8e1 Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Wed, 27 May 2026 11:51:03 +0100
Subject: [PATCH] Add MSC4354_STICKY constant

---
 rust/src/events/constants.rs | 2 ++
 rust/src/events/mod.rs       | 6 +++---
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/rust/src/events/constants.rs b/rust/src/events/constants.rs
index e68a62c32f..26209e4ba0 100644
--- a/rust/src/events/constants.rs
+++ b/rust/src/events/constants.rs
@@ -59,6 +59,8 @@ pub mod event_field {
     pub const MEMBERSHIP: &str = "membership";
     /// Event field: replaces_state
     pub const REPLACES_STATE: &str = "replaces_state";
+    /// Event field: msc4354_sticky
+    pub const MSC4354_STICKY: &str = "msc4354_sticky";
 }
 
 pub mod unsigned_field {
diff --git a/rust/src/events/mod.rs b/rust/src/events/mod.rs
index 409e268ef3..0614ac7ffb 100644
--- a/rust/src/events/mod.rs
+++ b/rust/src/events/mod.rs
@@ -69,7 +69,7 @@ use crate::events::{
 use crate::{
     duration::SynapseDuration,
     events::{
-        constants::event_field::{HASHES, SIGNATURES, UNSIGNED},
+        constants::event_field::{HASHES, MSC4354_STICKY, SIGNATURES, UNSIGNED},
         constants::membership_field::MEMBERSHIP,
         constants::redaction_field::REDACTS,
         constants::unsigned_field::{AGE, AGE_TS, REDACTED_BECAUSE},
@@ -346,7 +346,7 @@ impl Event {
             .parsed_event
             .common_fields
             .other_fields
-            .get("msc4354_sticky");
+            .get(MSC4354_STICKY);
 
         let sticky_obj = match sticky_obj {
             Some(serde_json::Value::Object(obj)) => obj,
@@ -797,7 +797,7 @@ mod tests {
         assert!(event
             .common_fields
             .other_fields
-            .contains_key("msc4354_sticky"));
+            .contains_key(MSC4354_STICKY));
         assert!(event
             .common_fields
             .other_fields