diff --git a/libs/skeleton/src/entities/pagination.entity.ts b/libs/skeleton/src/entities/pagination.entity.ts
new file mode 100644
index 0000000..78d3500
--- /dev/null
+++ b/libs/skeleton/src/entities/pagination.entity.ts
@@ -0,0 +1,13 @@
+export interface IPaginationEntity<T> {
+  // Data related
+  data: T[];
+  totalData: number;
+
+  // Page related
+  totalPage: number;
+  currentPage: number;
+  lastPage: number;
+  perPage: number;
+  nextPage: number | null;
+  previousPage: number | null;
+}
diff --git a/libs/skeleton/src/interfaces/controller/skeleton-crud.controller.interface.ts b/libs/skeleton/src/interfaces/controller/skeleton-crud.controller.interface.ts
index 6c3e672..bf33f46 100644
--- a/libs/skeleton/src/interfaces/controller/skeleton-crud.controller.interface.ts
+++ b/libs/skeleton/src/interfaces/controller/skeleton-crud.controller.interface.ts
@@ -1,12 +1,14 @@
-export interface ISkeletonCRUDController {
-  create();
-  readSelected(id);
-  readPagination();
-  readEntire();
-  updatePartial();
-  updatePartialBatch();
-  updateEntire();
-  updateEntirePatch();
-  deleteSelected();
-  deleteBatch();
+import { IPaginationEntity } from '@autocrud/skeleton/entities/pagination.entity';
+
+export interface ISkeletonCRUDController<T> {
+  create(): Promise<T>;
+  readSelected(id): Promise<T>;
+  readPagination(): Promise<IPaginationEntity<T>>;
+  readEntire(): Promise<T[]>;
+  updatePartial(): Promise<T>;
+  updatePartialBatch(): Promise<T[]>;
+  updateEntire(): Promise<T>;
+  updateEntireBatch(): Promise<T[]>;
+  deleteSelected(): Promise<T>;
+  deleteBatch(): Promise<T[]>;
 }
diff --git a/libs/skeleton/src/interfaces/skeleton-process.interface.ts b/libs/skeleton/src/interfaces/skeleton-process.interface.ts
index 1815302..6370de0 100644
--- a/libs/skeleton/src/interfaces/skeleton-process.interface.ts
+++ b/libs/skeleton/src/interfaces/skeleton-process.interface.ts
@@ -1,10 +1,10 @@
-export interface SkeletonProcess {
-  initialization(): void;
-  before(): void;
-  begin(): void;
-  process(): void;
-  end(): void;
-  after(): void;
+import { Observable } from 'rxjs';
 
-  result();
+export interface SkeletonProcess {
+  initialization(): Observable<void>;
+  before(): Observable<void>;
+  begin(): Observable<void>;
+  process(): Observable<void>;
+  end(): Observable<void>;
+  after(): Observable<void>;
 }
diff --git a/libs/skeleton/src/skeleton-crud.controller.ts b/libs/skeleton/src/skeleton-crud.controller.ts
index af90e2a..444b1c0 100644
--- a/libs/skeleton/src/skeleton-crud.controller.ts
+++ b/libs/skeleton/src/skeleton-crud.controller.ts
@@ -1,34 +1,55 @@
 import { Delete, Get, Param, Patch, Post, Put } from '@nestjs/common';
 import { ISkeletonCRUDController } from './interfaces/controller/skeleton-crud.controller.interface';
+import { IPaginationEntity } from './entities/pagination.entity';
 
-export class SkeletonCRUDController implements ISkeletonCRUDController {
+export class SkeletonCRUDController<T> implements ISkeletonCRUDController<T> {
   @Post()
-  create() {}
+  async create(): Promise<T> {
+    throw new Error('Method not implemented.');
+  }
 
   @Get(':id')
-  readSelected(@Param('id') id) {}
+  async readSelected(@Param('id') id): Promise<T> {
+    throw new Error('Method not implemented.');
+  }
 
   @Get()
-  readPagination() {}
+  async readPagination(): Promise<IPaginationEntity<T>> {
+    throw new Error('Method not implemented.');
+  }
 
   @Get('list')
-  readEntire() {}
+  async readEntire(): Promise<T[]> {
+    throw new Error('Method not implemented.');
+  }
 
   @Patch()
-  updatePartial() {}
+  async updatePartial(): Promise<T> {
+    throw new Error('Method not implemented.');
+  }
 
   @Patch('batch')
-  updatePartialBatch() {}
+  async updatePartialBatch(): Promise<T[]> {
+    throw new Error('Method not implemented.');
+  }
 
   @Put()
-  updateEntire() {}
+  async updateEntire(): Promise<T> {
+    throw new Error('Method not implemented.');
+  }
 
   @Put('batch')
-  updateEntirePatch() {}
+  async updateEntireBatch(): Promise<T[]> {
+    throw new Error('Method not implemented.');
+  }
 
   @Delete()
-  deleteSelected() {}
+  async deleteSelected(): Promise<T> {
+    throw new Error('Method not implemented.');
+  }
 
   @Delete('batch')
-  deleteBatch() {}
+  async deleteBatch(): Promise<T[]> {
+    throw new Error('Method not implemented.');
+  }
 }