diff --git a/docs/attachments/attachment.yaml b/docs/attachments/attachment.yaml
index e54f6408..9f1ca0e1 100644
--- a/docs/attachments/attachment.yaml
+++ b/docs/attachments/attachment.yaml
@@ -44,7 +44,7 @@ paths:
               schema:
                 $ref: '#/definitions/attachments'
               example:
-                count: 1
+                count: 2
                 items:
                   - _id: 63ec1cd51e9d781cdb6f4b14
                     author: 648afee884936e09a37deaaa
@@ -54,6 +54,17 @@ paths:
                     category: { _id: 6477007a6fa4d05e1a800ce1, name: Science }
                     createdAt: 2023-02-14T23:44:21.334Z
                     updatedAt: 2023-02-14T23:44:21.334Z
+                    resourceType: attachment
+                  - _id: 64c9b03d7ea4d07f1b802ff3
+                    author: 648afee884936e09a37deaaa
+                    fileName: Guitar
+                    link: 'https://guitar-play-test.com'
+                    description: It is file to check your playing success on guitar
+                    size: 187
+                    category: { _id: 64b8a20c6fa4d05e1a901de2, name: Music }
+                    createdAt: 2023-01-14T23:44:21.334Z
+                    updatedAt: 2023-01-14T23:44:21.334Z
+                    resourceType: attachment
         401:
           description: Unauthorized
           content:
@@ -106,11 +117,11 @@ paths:
                   author: 6255bc080a75adf9223df100
                   fileName: attachment1.pdf
                   link: '154867-attachment1.pdf'
-                  category: [{ _id: 6502ec2060ec37be943353e2, name: 'New Category 1' }]
-                  description: This is an example attachment description.
+                  category: null
                   size: 1024
                   createdAt: '2023-08-13T12:34:56.789Z'
                   updatedAt: '2023-08-13T12:34:56.789Z'
+                  resourceType: attachment
         400:
           description: Bad Request
           content:
diff --git a/docs/attachments/attachments-schema.yaml b/docs/attachments/attachments-schema.yaml
index 191cd46d..b9c49085 100644
--- a/docs/attachments/attachments-schema.yaml
+++ b/docs/attachments/attachments-schema.yaml
@@ -4,6 +4,8 @@ definitions:
     items:
       type: object
       properties:
+        author:
+          type: string
         _id:
           type: string
         fileName:
@@ -15,28 +17,31 @@ definitions:
         size:
           type: number
         category:
-          type: string
-          ref: '#/definitions/resourcesCategory'
+          $ref: '#/definitions/resourcesCategoryAttachment'
         createdAt:
           type: string
           format: date-time
         updatedAt:
           type: string
           format: date-time
+      resourceType:
+        type: string
+        enum:
+          - attachment
+          - lesson
+          - quiz
+      isDublicate:
+        type: boolean
   attachmentBody:
     type: object
     properties:
       fileName:
         type: string
-      link:
-        type: string
       description:
         type: string
-      size:
-        type: number
       category:
         type: string
-        ref: '#/definitions/resourcesCategory'
+        description: 'This id related to resourcesCategory'
   attachment:
     type: object
     properties:
@@ -51,11 +56,16 @@ definitions:
       size:
         type: number
       category:
-        type: string
-        ref: '#/definitions/resourcesCategory'
+        $ref: '#/definitions/resourcesCategoryAttachment'
       createdAt:
         type: string
         format: date-time
       updatedAt:
         type: string
         format: date-time
+      resourceType:
+        type: string
+        enum:
+          - attachment
+          - lesson
+          - quiz
diff --git a/docs/resourcesCategory/resourcesCategory.schema.yaml b/docs/resourcesCategory/resourcesCategory.schema.yaml
index 50fb78f1..2c6e1f5f 100644
--- a/docs/resourcesCategory/resourcesCategory.schema.yaml
+++ b/docs/resourcesCategory/resourcesCategory.schema.yaml
@@ -19,3 +19,10 @@ definitions:
       updatedAt:
         type: string
         format: date-time
+  resourcesCategoryAttachment:
+    type: object
+    properties:
+      _id: 
+        type: string
+      name:
+        type: string