@@ -72,7 +72,9 @@ class Messaging extends Service {
7272
7373 /// Update email
7474 ///
75- /// Update an email message by its unique ID.
75+ /// Update an email message by its unique ID. This endpoint only works on
76+ /// messages that are in draft status. Messages that are already processing,
77+ /// sent, or failed cannot be updated.
7678 ///
7779 Future <models.Message > updateEmail (
7880 {required String messageId,
@@ -173,7 +175,9 @@ class Messaging extends Service {
173175
174176 /// Update push notification
175177 ///
176- /// Update a push notification by its unique ID.
178+ /// Update a push notification by its unique ID. This endpoint only works on
179+ /// messages that are in draft status. Messages that are already processing,
180+ /// sent, or failed cannot be updated.
177181 ///
178182 Future <models.Message > updatePush (
179183 {required String messageId,
@@ -264,7 +268,9 @@ class Messaging extends Service {
264268
265269 /// Update SMS
266270 ///
267- /// Update an email message by its unique ID.
271+ /// Update an SMS message by its unique ID. This endpoint only works on
272+ /// messages that are in draft status. Messages that are already processing,
273+ /// sent, or failed cannot be updated.
268274 ///
269275 Future <models.Message > updateSms (
270276 {required String messageId,
0 commit comments