diff --git a/files_wcf/js/Bastelstu.be/Chat.js b/files_wcf/js/Bastelstu.be/Chat.js
index 86bc092..0737743 100644
--- a/files_wcf/js/Bastelstu.be/Chat.js
+++ b/files_wcf/js/Bastelstu.be/Chat.js
@@ -4,7 +4,7 @@
  * Use of this software is governed by the Business Source License
  * included in the LICENSE file.
  *
- * Change Date: 2024-10-31
+ * Change Date: 2024-11-01
  *
  * On the date above, in accordance with the Business Source
  * License, use of this software will be governed by version 2
@@ -178,8 +178,11 @@ define([ './Chat/console'
 			this.ui = this.bottle.container.Ui
 			this.ui.bootstrap()
 
-			this.bottle.container.UiInput.on('submit', this.onSubmit.bind(this))
-			this.bottle.container.UiInput.on('autocomplete', this.onAutocomplete.bind(this))
+			this.ui.input.on('submit', this.onSubmit.bind(this))
+			this.ui.input.on('autocomplete', this.onAutocomplete.bind(this))
+			this.ui.attachmentUpload.on('send', (event) => {
+				event.detail.promise = this.onSendAttachment(event)
+			})
 
 			await this.bottle.container.Room.join()
 
@@ -330,6 +333,10 @@ define([ './Chat/console'
 			}
 		}
 
+		async onSendAttachment(event) {
+			return this.bottle.container.Messenger.pushAttachment(event.detail.attachmentId)
+		}
+
 		onAutocomplete(event) {
 			const input = event.target
 			const value = input.getText(true)
diff --git a/files_wcf/js/Bastelstu.be/Chat/Messenger.js b/files_wcf/js/Bastelstu.be/Chat/Messenger.js
index 1be5976..2ae817c 100644
--- a/files_wcf/js/Bastelstu.be/Chat/Messenger.js
+++ b/files_wcf/js/Bastelstu.be/Chat/Messenger.js
@@ -1,10 +1,10 @@
 /*
- * Copyright (c) 2010-2018 Tim Düsterhus.
+ * Copyright (c) 2010-2020 Tim Düsterhus.
  *
  * Use of this software is governed by the Business Source License
  * included in the LICENSE file.
  *
- * Change Date: 2024-10-20
+ * Change Date: 2024-11-01
  *
  * On the date above, in accordance with the Business Source
  * License, use of this software will be governed by version 2
@@ -56,6 +56,14 @@ define([ './console'
 			return Ajax.api(this, payload)
 		}
 
+		async pushAttachment(attachmentId) {
+			const payload = { actionName: 'pushAttachment'
+			                , parameters: { attachmentId }
+			                }
+
+			return Ajax.api(this, payload)
+		}
+
 		_ajaxSetup() {
 			return { silent: true
 			       , ignoreError: true