diff --git a/schemas/timely-customer.ts b/schemas/timely-customer.ts
index 52b34a4..e6d3bd7 100644
--- a/schemas/timely-customer.ts
+++ b/schemas/timely-customer.ts
@@ -23,6 +23,35 @@ export const timelyCustomer = defineType({
       title: 'Timely Account ID',
       validation: Rule => Rule.required(),
     },
+    {
+      group: 'timely',
+      name: 'timelyAuthClientId',
+      type: 'string',
+      title: 'Timely Auth Client ID',
+      description: `
+        The Auth Client ID of the Timely account.
+      `,
+      validation: Rule => Rule.required(),
+    },
+    {
+      group: 'timely',
+      name: 'timelyAuthClientSecret',
+      type: 'string',
+      title: 'Timely Auth Client Secret',
+      description: `
+        The Auth Client Secret of the Timely account.
+      `,
+      validation: Rule => Rule.required(),
+    },
+    {
+      group: 'timely',
+      name: 'timelyAuthClientRedirectUri',
+      type: 'string',
+      title: 'Timely Auth Client Redirect URI',
+      description: `
+        The Auth Client Redirect URI of the Timely account. If not set, it is assumed to be 'urn:ietf:wg:oauth:2.0:oob'.
+      `,
+    },
     {
       group: 'timely',
       name: 'timelyToken',
@@ -33,6 +62,16 @@ export const timelyCustomer = defineType({
       `,
       validation: Rule => Rule.required(),
     },
+    {
+      group: 'timely',
+      name: 'timelyRefreshToken',
+      type: 'string',
+      title: 'Timely Refresh Token',
+      description: `
+        The refresh token of the Timely API token.
+      `,
+      validation: Rule => Rule.required(),
+    },
     {
       group: 'timely',
       name: 'timelyDefaultClient',