diff --git a/src/Toolkit.js b/src/Toolkit.js
index bd31b3c..c1594b7 100644
--- a/src/Toolkit.js
+++ b/src/Toolkit.js
@@ -134,6 +134,15 @@ Ext.apply(Ext.form.field.VTypes, {
         ': ' +
         gettext('letter'),
 
+    SafeId: function (v) {
+        return Proxmox.Utils.safeIdRegex.test(v);
+    },
+    SafeIdText:
+        gettext('Allowed characters') +
+        ": 'A-Z', 'a-z', '0-9', '_', '-', '.'<br />" +
+        gettext('Must start with') +
+        ": 'A-Z', 'a-z', '0-9', '_'",
+
     HttpProxy: function (v) {
         return /^http:\/\/.*$/.test(v);
     },
diff --git a/src/panel/GotifyEditPanel.js b/src/panel/GotifyEditPanel.js
index 5e78e73..3e12323 100644
--- a/src/panel/GotifyEditPanel.js
+++ b/src/panel/GotifyEditPanel.js
@@ -15,6 +15,7 @@ Ext.define('Proxmox.panel.GotifyEditPanel', {
                 editable: '{isCreate}',
             },
             fieldLabel: gettext('Endpoint Name'),
+            vtype: 'SafeId',
             allowBlank: false,
         },
         {
diff --git a/src/panel/SendmailEditPanel.js b/src/panel/SendmailEditPanel.js
index a4de50c..81624ad 100644
--- a/src/panel/SendmailEditPanel.js
+++ b/src/panel/SendmailEditPanel.js
@@ -26,6 +26,7 @@ Ext.define('Proxmox.panel.SendmailEditPanel', {
                 editable: '{isCreate}',
             },
             fieldLabel: gettext('Endpoint Name'),
+            vtype: 'SafeId',
             allowBlank: false,
         },
         {
diff --git a/src/panel/SmtpEditPanel.js b/src/panel/SmtpEditPanel.js
index 37e4d51..8fafba9 100644
--- a/src/panel/SmtpEditPanel.js
+++ b/src/panel/SmtpEditPanel.js
@@ -51,6 +51,7 @@ Ext.define('Proxmox.panel.SmtpEditPanel', {
                 editable: '{isCreate}',
             },
             fieldLabel: gettext('Endpoint Name'),
+            vtype: 'SafeId',
             allowBlank: false,
         },
         {
diff --git a/src/panel/WebhookEditPanel.js b/src/panel/WebhookEditPanel.js
index 7980d8b..8854329 100644
--- a/src/panel/WebhookEditPanel.js
+++ b/src/panel/WebhookEditPanel.js
@@ -17,7 +17,7 @@ Ext.define('Proxmox.panel.WebhookEditPanel', {
                 editable: '{isCreate}',
             },
             fieldLabel: gettext('Endpoint Name'),
-            regex: Proxmox.Utils.safeIdRegex,
+            vtype: 'SafeId',
             allowBlank: false,
         },
     ],
diff --git a/src/window/NotificationMatcherEdit.js b/src/window/NotificationMatcherEdit.js
index a1d173c..d1b66a3 100644
--- a/src/window/NotificationMatcherEdit.js
+++ b/src/window/NotificationMatcherEdit.js
@@ -12,6 +12,7 @@ Ext.define('Proxmox.panel.NotificationMatcherGeneralPanel', {
                 editable: '{isCreate}',
             },
             fieldLabel: gettext('Matcher Name'),
+            vtype: 'SafeId',
             allowBlank: false,
         },
         {