diff --git a/plugins/devtools-common/report-alpha.api.md b/plugins/devtools-common/report-alpha.api.md
index 3c3b7ff89e..e11b2d62ca 100644
--- a/plugins/devtools-common/report-alpha.api.md
+++ b/plugins/devtools-common/report-alpha.api.md
@@ -6,6 +6,11 @@
 import { BasicPermission } from '@backstage/plugin-permission-common';
 import { JsonObject } from '@backstage/types';
 
+// @alpha (undocumented)
+export type CancelScheduledTask = {
+  error?: string;
+};
+
 // @alpha (undocumented)
 export const devToolsTaskSchedulerCreatePermission: BasicPermission;