diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..5f4571d
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,29 @@
+version: 2
+updates:
+  - package-ecosystem: 'npm'
+    directory: '/'
+    schedule:
+      interval: 'daily'
+    open-pull-requests-limit: 25
+    allow:
+      - dependency-name: "@samchon/openapi"
+      - dependency-name: "@nestjs/*"
+      - dependency-name: "@nestia/*"
+      - dependency-name: "nestia"
+      - dependency-name: "typia"
+      - dependency-name: "typescript"
+      - dependency-name: "ts-patch"
+    groups:
+      Samchon:
+        patterns:
+          - "@samchon/openapi"
+          - "@nestia/*"
+          - "nestia"
+          - "typia"
+      NestJS:
+        patterns:
+          - "@nestjs/*"
+      TypeScript:
+        patterns:
+          - "typescript"
+          - "ts-patch"
\ No newline at end of file
diff --git a/package.json b/package.json
index 6999b09..9869a0b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@wrtnio/openai-function-schema",
-  "version": "0.1.4",
+  "version": "0.2.0",
   "description": "OpenAI LLM function schema from OpenAPI (Swagger) document",
   "main": "lib/index.js",
   "typings": "lib/index.d.ts",
@@ -37,16 +37,16 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "@nestia/fetcher": "^3.5.0",
-    "@samchon/openapi": "^0.3.4",
+    "@nestia/fetcher": "^3.7.0",
+    "@samchon/openapi": "^0.4.2",
     "commander": "^10.0.0",
     "inquirer": "^8.2.5",
-    "typia": "^6.4.3"
+    "typia": "^6.5.0"
   },
   "devDependencies": {
-    "@nestia/core": "^3.5.0",
+    "@nestia/core": "^3.7.0",
     "@nestia/e2e": "^0.7.0",
-    "@nestia/sdk": "^3.5.0",
+    "@nestia/sdk": "^3.7.0",
     "@nestjs/common": "^10.3.10",
     "@nestjs/core": "^10.3.10",
     "@nestjs/platform-express": "^10.3.10",
diff --git a/src/OpenAiComposer.ts b/src/OpenAiComposer.ts
index 7802423..756a2e1 100644
--- a/src/OpenAiComposer.ts
+++ b/src/OpenAiComposer.ts
@@ -63,7 +63,7 @@ export namespace OpenAiComposer {
     /**
      * Migrate document from Swagger.
      *
-     * If you've already migrated from the Swagger document, you can pass it.
+     * If you've already migrated from the Swagger document, you can re-use it.
      */
     migrate?: ISwaggerMigrate;
   }
@@ -186,10 +186,40 @@ export namespace OpenAiComposer {
         route.success && route.success ? cast(route.success.schema) : undefined;
       if (output === null) return null;
       const properties: [string, IOpenAiSchema | null][] = [
-        ...route.parameters,
-        ...(route.query ? [route.query] : []),
-        ...(route.body ? [route.body] : []),
-      ].map((p) => [p.key, cast(p.schema)]);
+        ...route.parameters.map((p) => ({
+          key: p.key,
+          schema: {
+            ...p.schema,
+            title: p.parameter().title ?? p.schema.title,
+            description: p.parameter().description ?? p.schema.description,
+          },
+        })),
+        ...(route.query
+          ? [
+              {
+                key: route.query.key,
+                schema: {
+                  ...route.query.schema,
+                  title: route.query.title() ?? route.query.schema.title,
+                  description:
+                    route.query.description() ?? route.query.schema.description,
+                },
+              },
+            ]
+          : []),
+        ...(route.body
+          ? [
+              {
+                key: route.body.key,
+                schema: {
+                  ...route.body.schema,
+                  description:
+                    route.body.description() ?? route.body.schema.description,
+                },
+              },
+            ]
+          : []),
+      ].map((o) => [o.key, cast(o.schema)]);
       if (properties.some(([_k, v]) => v === null)) return null;
 
       // COMPOSE PARAMETERS
diff --git a/test/features/composer/test_composer_schema.ts b/test/features/composer/test_composer_schema.ts
index 31a2760..2ca3d28 100644
--- a/test/features/composer/test_composer_schema.ts
+++ b/test/features/composer/test_composer_schema.ts
@@ -15,14 +15,17 @@ export const test_composer_schema = (): void => {
       second: {
         type: "object",
         required: ["third"],
+        description: "The second property",
         properties: {
           third: {
             type: "object",
             required: ["id"],
+            description: "The third property",
             properties: {
               id: {
                 type: "string",
                 format: "uuid",
+                description: "Hello word",
               },
             },
           },
@@ -33,11 +36,20 @@ export const test_composer_schema = (): void => {
 };
 
 interface First {
+  /**
+   * The second property
+   */
   second: Second;
 }
 interface Second {
+  /**
+   * The third property
+   */
   third: Third;
 }
 interface Third {
+  /**
+   * Hello word
+   */
   id: string & tags.Format<"uuid">;
 }