diff --git a/packages/trpc/server/template-router/router.ts b/packages/trpc/server/template-router/router.ts
index 7e547b157..3791a2181 100644
--- a/packages/trpc/server/template-router/router.ts
+++ b/packages/trpc/server/template-router/router.ts
@@ -459,6 +459,7 @@ export const templateRouter = router({
         customDocumentDataId,
         folderId,
         prefillFields,
+        externalId,
         override,
         attachments,
       } = input;
@@ -497,6 +498,7 @@ export const templateRouter = router({
         requestMetadata: ctx.metadata,
         folderId,
         prefillFields,
+        externalId,
         override,
         attachments,
       });
diff --git a/packages/trpc/server/template-router/schema.ts b/packages/trpc/server/template-router/schema.ts
index 1ddaf8857..6bfe42c40 100644
--- a/packages/trpc/server/template-router/schema.ts
+++ b/packages/trpc/server/template-router/schema.ts
@@ -29,6 +29,7 @@ import {
   ZTemplateSchema,
 } from '@documenso/lib/types/template';
 import { LegacyTemplateDirectLinkSchema } from '@documenso/prisma/types/template-legacy-schema';
+import { ZDocumentExternalIdSchema } from '@documenso/trpc/server/document-router/schema';
 
 import { zodFormData } from '../../utils/zod-form-data';
 import { ZSignFieldWithTokenMutationSchema } from '../field-router/schema';
@@ -96,6 +97,7 @@ export const ZCreateDocumentFromDirectTemplateRequestSchema = z.object({
 
 export const ZCreateDocumentFromTemplateRequestSchema = z.object({
   templateId: z.number(),
+  externalId: ZDocumentExternalIdSchema.optional(),
   recipients: z
     .array(
       z.object({