diff --git a/__tests__/index.test.js b/__tests__/index.test.js
index a5af6cc..6c342dd 100644
--- a/__tests__/index.test.js
+++ b/__tests__/index.test.js
@@ -83,8 +83,8 @@ describe('run-tests assignment', () => {
 describe('run-post-actions', () => {
   const checkCreatePath = 'http://localhost:3000/api_internal/courses/hexlet-course-source-ci/lessons/basics/assignment/check';
   const checkData = {
-    testData: { passed: true, output: 'some testing output' },
-    lintData: { passed: false, output: 'some linting output' },
+    testData: { passed: true, output: 'some testing output', exception: null },
+    lintData: { passed: false, output: 'some linting output', exception: new Error('linting failed') },
   };
 
   it('success test state', async () => {
diff --git a/server.js b/server.js
index de280f4..ad962de 100644
--- a/server.js
+++ b/server.js
@@ -30,18 +30,20 @@ const checkSchema = {
       properties: {
         passed: { type: 'boolean' },
         output: { type: 'string', minLength: 1 },
+        exception: { type: 'object', nullable: true },
       },
-      required: ['passed', 'output'],
-      additionalProperties: true,
+      required: ['passed', 'output', 'exception'],
+      additionalProperties: false,
     },
     lintData: {
       type: 'object',
       properties: {
         passed: { type: 'boolean' },
         output: { type: 'string', minLength: 1 },
+        exception: { type: 'object', nullable: true },
       },
-      required: ['passed', 'output'],
-      additionalProperties: true,
+      required: ['passed', 'output', 'exception'],
+      additionalProperties: false,
     },
   },
   required: ['state', 'testData', 'lintData'],