diff --git a/src/index.ts b/src/index.ts
index e26c616..5170c50 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -94,6 +94,7 @@ export interface PluginAPI {
     ) => void;
     get: () => SslData;
     save: () => Promise<void>;
+    setCheck(checker: () => Promise<void>): void;
   };
   appRouter: {
     get: () => express.Router;