feat: Addition of GMAIL_MESSAGE value for RichLinkType enum in the RichLinkMetadata proto

Google APIs · copybara-github · commit 4eccddb5094a · 2025-12-15T10:21:46.000-08:00
PiperOrigin-RevId: 844825126
diff --git a/google/chat/v1/annotation.proto b/google/chat/v1/annotation.proto
@@ -152,6 +152,11 @@ message RichLinkMetadata {
     // A Chat space rich link type. For example, a space smart chip.
     CHAT_SPACE = 2;
 
+    // A Gmail message rich link type. Specifically, a Gmail chip from [Share to
+    // Chat](https://support.google.com/chat?p=chat_gmail). The API only
+    // supports reading messages with GMAIL_MESSAGE rich links.
+    GMAIL_MESSAGE = 3;
+
     // A Meet message rich link type. For example, a Meet chip.
     MEET_SPACE = 4;
 
