diff --git a/common/src/enums/websocket-message-type.ts b/common/src/enums/websocket-message-type.ts
index 38d2042..37036b9 100644
--- a/common/src/enums/websocket-message-type.ts
+++ b/common/src/enums/websocket-message-type.ts
@@ -18,6 +18,8 @@
 export enum WebSocketMessageType {
   ConversationMessage = 'conversation-message',
   ConversationView = 'conversation-view',
+  OnComposingStatusChanged = 'on-composing-status-changed', // Sent by server to indicate who is composing a message or not
+  SetIsComposing = 'set-is-composing', // Sent by user to indicate whether they are composing a message or not
   CallBegin = 'call-begin',
   CallAccept = 'call-accept',
   CallEnd = 'call-end',
diff --git a/common/src/interfaces/websocket-interfaces.ts b/common/src/interfaces/websocket-interfaces.ts
index 109adce..f680e16 100644
--- a/common/src/interfaces/websocket-interfaces.ts
+++ b/common/src/interfaces/websocket-interfaces.ts
@@ -30,6 +30,12 @@
   conversationId: string;
 }
 
+export interface ComposingStatus {
+  contactId?: string; // optional (ignored) when is about the user sending it
+  conversationId: string;
+  isWriting: boolean;
+}
+
 export interface CallAction extends ContactMessage {
   conversationId: string;
 }
diff --git a/common/src/interfaces/websocket-message.ts b/common/src/interfaces/websocket-message.ts
index c42fc44..af3078c 100644
--- a/common/src/interfaces/websocket-message.ts
+++ b/common/src/interfaces/websocket-message.ts
@@ -19,6 +19,7 @@
 import {
   CallAction,
   CallBegin,
+  ComposingStatus,
   ConversationMessage,
   ConversationView,
   WebRtcIceCandidate,
@@ -28,6 +29,8 @@
 export interface WebSocketMessageTable {
   [WebSocketMessageType.ConversationMessage]: ConversationMessage;
   [WebSocketMessageType.ConversationView]: ConversationView;
+  [WebSocketMessageType.OnComposingStatusChanged]: ComposingStatus;
+  [WebSocketMessageType.SetIsComposing]: ComposingStatus;
   [WebSocketMessageType.CallBegin]: CallBegin;
   [WebSocketMessageType.CallAccept]: CallAction;
   [WebSocketMessageType.CallEnd]: CallAction;