diff --git a/.idea/jsonSchemas.xml b/.idea/jsonSchemas.xml
index b695485bae..806c8a166e 100644
--- a/.idea/jsonSchemas.xml
+++ b/.idea/jsonSchemas.xml
@@ -28,6 +28,28 @@
                   <Item>
                     <option name="path" value="schema/routes.json" />
                   </Item>
+                  <Item>
+                    <option name="path" value="schema/autoload.json" />
+                  </Item>
+                </list>
+              </option>
+            </SchemaInfo>
+          </value>
+        </entry>
+        <entry key="autoload">
+          <value>
+            <SchemaInfo>
+              <option name="generatedName" value="New Schema" />
+              <option name="name" value="autoload" />
+              <option name="relativePathToSchema" value="schema/autoload.json" />
+              <option name="schemaVersion" value="JSON Schema version 7" />
+              <option name="patterns">
+                <list>
+                  <Item>
+                    <option name="pattern" value="true" />
+                    <option name="path" value="*/Resources/autoload.json" />
+                    <option name="mappingKind" value="Pattern" />
+                  </Item>
                 </list>
               </option>
             </SchemaInfo>
diff --git a/.vscode/settings.json b/.vscode/settings.json
index ac9da50bd1..38e9f4a221 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,5 +1,11 @@
 {
     "json.schemas": [
+        {
+            "fileMatch": [
+                "*/Resources/autoload.json"
+            ],
+            "url": "./schema/autoload.json"
+        },
         {
             "fileMatch": [
                 "*/Resources/routes.json"
diff --git a/schema/autoload.json b/schema/autoload.json
new file mode 100644
index 0000000000..f2529f0584
--- /dev/null
+++ b/schema/autoload.json
@@ -0,0 +1,37 @@
+{
+    "$schema": "https://json-schema.org/draft/2020-12/schema",
+    "$id": "https://www.espocrm.com/schema/autoload.json",
+    "title": "autoload",
+    "description": "Composer definitions.",
+    "type": "object",
+    "properties": {
+        "psr-4": {
+            "description": "A PSR-4 mapping. Example: {\"SomeLib\\\\\": \"custom/Espo/Modules/MyModule/vendor/some-lib/src\"}",
+            "type": "object",
+            "additionalProperties": {
+                "type": "string"
+            }
+        },
+        "psr-0": {
+            "description": "A PSR-0 mapping.",
+            "type": "object",
+            "additionalProperties": {
+                "type": "string"
+            }
+        },
+        "autoloadFileList": {
+            "description": "Autoload PHP files.",
+            "type": "array",
+            "items": {
+                "type": "string"
+            }
+        },
+        "classmap": {
+            "description": "A class-name => file-path mapping.",
+            "type": "object",
+            "additionalProperties": {
+                "type": "string"
+            }
+        }
+    }
+}