diff --git a/src/main/java/org/example/service/checkCodeService.java b/src/main/java/org/example/service/checkCodeService.java
new file mode 100644
index 0000000000000000000000000000000000000000..360ff40500d1c2f0e1fe53e391dd2c5d39de4e31
--- /dev/null
+++ b/src/main/java/org/example/service/checkCodeService.java
@@ -0,0 +1,5 @@
+package org.example.service;
+
+public interface checkCodeService {
+    public int checkCode (String code, int restId);
+}