diff --git a/src/controllers/OrgChild3Controller.ts b/src/controllers/OrgChild3Controller.ts
index 46a168e4..3a929aa3 100644
--- a/src/controllers/OrgChild3Controller.ts
+++ b/src/controllers/OrgChild3Controller.ts
@@ -35,6 +35,38 @@ export class OrgChild3Controller {
   private child4Repository = AppDataSource.getRepository(OrgChild4);
   private orgRevisionRepository = AppDataSource.getRepository(OrgRevision);
    
+  /**
+   * API รายละเอียดโครงสร้างระดับ 3
+   *
+   * @summary ORG_019 - รายละเอียดโครงสร้างระดับ3 (ADMIN) #18
+   *
+   * @param {string} id Id Child3
+   */
+  @Get("{id}")
+  async GetChild3(@Path() id: string) {
+    try {
+      const orgChild3 = await this.child3Repository.findOne({ where: { id } });
+      if (!orgChild3) {
+        throw new HttpError(HttpStatusCode.NOT_FOUND, "ไม่พบข้อมูล");
+      }
+      const getOrgChild3 = {
+        "orgChild3Id" : orgChild3.id,
+        "orgChild3Name" : orgChild3.orgChild3Name,
+        "orgChild3ShortName" : orgChild3.orgChild3ShortName, 
+        "orgChild3Code" : orgChild3.orgChild3Code,
+        "orgChild3Order" : orgChild3.orgChild3Order,
+        "orgChild3PhoneEx" : orgChild3.orgChild3PhoneEx,
+        "orgChild3PhoneIn" : orgChild3.orgChild3PhoneIn,
+        "orgChild3Fax" : orgChild3.orgChild3Fax,
+        "orgRevisionId" : orgChild3.orgRevisionId,
+        "orgCode" : orgChild3.orgChild3Code+"00"
+      }
+      return new HttpSuccess(getOrgChild3);
+    } catch (error) {
+      return error;
+    }
+  }
+
   /**
    *   API สร้างโครงสร้างระดับ3
    *
diff --git a/src/controllers/OrgChild4Controller.ts b/src/controllers/OrgChild4Controller.ts
index 8af06bfe..bcfbc085 100644
--- a/src/controllers/OrgChild4Controller.ts
+++ b/src/controllers/OrgChild4Controller.ts
@@ -37,6 +37,38 @@ export class OrgChild4Controller extends Controller {
   private child4Repository = AppDataSource.getRepository(OrgChild4);
   private orgRevisionRepository = AppDataSource.getRepository(OrgRevision);
 
+   /**
+   * API รายละเอียดโครงสร้างระดับ 4
+   *
+   * @summary ORG_019 - รายละเอียดโครงสร้างระดับ4 (ADMIN) #26
+   *
+   * @param {string} id Id Child4
+   */
+   @Get("{id}")
+   async GetChild4(@Path() id: string) {
+     try {
+       const orgChild4 = await this.child4Repository.findOne({ where: { id } });
+       if (!orgChild4) {
+         throw new HttpError(HttpStatusCode.NOT_FOUND, "ไม่พบข้อมูล");
+       }
+       const getOrgChild4 = {
+         "orgChild4Id" : orgChild4.id,
+         "orgChild4Name" : orgChild4.orgChild4Name,
+         "orgChild4ShortName" : orgChild4.orgChild4ShortName, 
+         "orgChild4Code" : orgChild4.orgChild4Code,
+         "orgChild4Order" : orgChild4.orgChild4Order,
+         "orgChild4PhoneEx" : orgChild4.orgChild4PhoneEx,
+         "orgChild4PhoneIn" : orgChild4.orgChild4PhoneIn,
+         "orgChild4Fax" : orgChild4.orgChild4Fax,
+         "orgRevisionId" : orgChild4.orgRevisionId,
+         "orgCode" : orgChild4.orgChild4Code+"00"
+       }
+       return new HttpSuccess(getOrgChild4);
+     } catch (error) {
+       return error;
+     }
+   }
+
   /**
    * สร้างโครงสร้างระดับ4 Child4
    *