diff --git a/js/background.js b/js/background.js
index 1b6de3a46..9b9cf706b 100644
--- a/js/background.js
+++ b/js/background.js
@@ -1621,22 +1621,16 @@
       });
 
       if (Whisper.Import.isComplete()) {
-        // FIXME Audric; Is that needed for us?
-        // const {
-        //   wrap,
-        //   sendOptions,
-        // } = ConversationController.prepareForSend(
-        //   textsecure.storage.user.getNumber(),
-        //   { syncMessage: true }
-        // );
-        // wrap(
-        //   textsecure.messaging.sendRequestConfigurationSyncMessage(sendOptions)
-        // ).catch(error => {
-        //   window.log.error(
-        //     'Import complete, but failed to send sync message',
-        //     error && error.stack ? error.stack : error
-        //   );
-        // });
+        const { CONFIGURATION } = textsecure.protobuf.SyncMessage.Request.Type;
+        const { RequestSyncMessage } = window.libsession.Messages.Outgoing;
+
+        const requestConfigurationSyncMessage = new RequestSyncMessage({
+          timestamp: Date.now(),
+          reqestType: CONFIGURATION,
+        });
+        await libsession
+          .getMessageQueue()
+          .sendSyncMessage(requestConfigurationSyncMessage);
       }
     }
 
diff --git a/js/models/conversations.js b/js/models/conversations.js
index 8b2362ff5..46b1e1d85 100644
--- a/js/models/conversations.js
+++ b/js/models/conversations.js
@@ -1375,15 +1375,22 @@
         }
 
         if (conversationType === Message.GROUP) {
-          // let dest = destination;
-          // let numbers = groupNumbers;
           if (this.isMediumGroup()) {
-            // FIXME audric to implement back
-
-            // dest = this.id;
-            // numbers = [destination];
-            // options.isMediumGroup = true;
-            throw new Error('To implement back');
+            const mediumGroupChatMessage = new libsession.Messages.Outgoing.MediumGroupChatMessage(
+              {
+                chatMessage,
+                groupId: destination,
+              }
+            );
+            const members = this.get('members');
+            await Promise.all(
+              members.map(async m => {
+                const memberPubKey = new libsession.Types.PubKey(m);
+                await libsession
+                  .getMessageQueue()
+                  .sendUsingMultiDevice(memberPubKey, mediumGroupChatMessage);
+              })
+            );
           } else {
             const closedGroupChatMessage = new libsession.Messages.Outgoing.ClosedGroupChatMessage(
               {
diff --git a/libtextsecure/sendmessage.js b/libtextsecure/sendmessage.js
index 3c37e6d45..f70cb1aa9 100644
--- a/libtextsecure/sendmessage.js
+++ b/libtextsecure/sendmessage.js
@@ -1,4 +1,4 @@
-/* global textsecure, WebAPI, libsignal, window, OutgoingMessage, libloki, _, libsession */
+/* global textsecure, WebAPI, libsignal, window, libloki, _, libsession */
 
 /* eslint-disable more/no-then, no-bitwise */
 
@@ -351,7 +351,6 @@ MessageSender.prototype = {
     });
   },
 
-
   uploadAvatar(attachment) {
     // isRaw is true since the data is already encrypted
     // and doesn't need to be encrypted again
diff --git a/ts/session/messages/outgoing/content/data/mediumgroup/MediumGroupChatMessage.ts b/ts/session/messages/outgoing/content/data/mediumgroup/MediumGroupChatMessage.ts
new file mode 100644
index 000000000..59d557ab7
--- /dev/null
+++ b/ts/session/messages/outgoing/content/data/mediumgroup/MediumGroupChatMessage.ts
@@ -0,0 +1,30 @@
+import { SignalService } from '../../../../../../protobuf';
+import { ChatMessage } from '../ChatMessage';
+import { PubKey } from '../../../../../types';
+import { MediumGroupMessage } from './MediumGroupMessage';
+
+interface MediumGroupChatMessageParams {
+  identifier?: string;
+  groupId: string | PubKey;
+  chatMessage: ChatMessage;
+}
+
+export class MediumGroupChatMessage extends MediumGroupMessage {
+  private readonly chatMessage: ChatMessage;
+
+  constructor(params: MediumGroupChatMessageParams) {
+    super({
+      timestamp: params.chatMessage.timestamp,
+      identifier: params.identifier ?? params.chatMessage.identifier,
+      groupId: params.groupId,
+    });
+    this.chatMessage = params.chatMessage;
+  }
+
+  protected dataProto(): SignalService.DataMessage {
+    const messageProto = this.chatMessage.dataProto();
+    messageProto.mediumGroupUpdate = super.dataProto().mediumGroupUpdate;
+
+    return messageProto;
+  }
+}
diff --git a/ts/session/messages/outgoing/content/data/mediumgroup/index.ts b/ts/session/messages/outgoing/content/data/mediumgroup/index.ts
index f6b317532..25f87eb5f 100644
--- a/ts/session/messages/outgoing/content/data/mediumgroup/index.ts
+++ b/ts/session/messages/outgoing/content/data/mediumgroup/index.ts
@@ -2,3 +2,4 @@ export * from './MediumGroupMessage';
 export * from './MediumGroupRequestKeysMessage';
 export * from './MediumGroupResponseKeysMessage';
 export * from './MediumGroupCreateMessage';
+export * from './MediumGroupChatMessage';