diff --git a/backend/src/database/migrations/20220223095932-add-whatsapp-to-user.ts b/backend/src/database/migrations/20220223095932-add-whatsapp-to-user.ts
new file mode 100644
index 0000000..fc53178
--- /dev/null
+++ b/backend/src/database/migrations/20220223095932-add-whatsapp-to-user.ts
@@ -0,0 +1,17 @@
+import { QueryInterface, DataTypes } from "sequelize";
+
+module.exports = {
+  up: (queryInterface: QueryInterface) => {
+    return queryInterface.addColumn("Users", "whatsappId", {
+      type: DataTypes.INTEGER,
+      references: { model: "Whatsapps", key: "id" },
+      onUpdate: "CASCADE",
+      onDelete: "SET NULL",
+      allowNull: true
+    },);
+  },
+
+  down: (queryInterface: QueryInterface) => {
+    return queryInterface.removeColumn("Users", "whatsappId");
+  }
+};
diff --git a/backend/src/models/User.ts b/backend/src/models/User.ts
index 9be664b..73edff4 100644
--- a/backend/src/models/User.ts
+++ b/backend/src/models/User.ts
@@ -11,12 +11,15 @@ import {
   AutoIncrement,
   Default,
   HasMany,
-  BelongsToMany
+  BelongsToMany,
+  ForeignKey,
+  BelongsTo
 } from "sequelize-typescript";
 import { hash, compare } from "bcryptjs";
 import Ticket from "./Ticket";
 import Queue from "./Queue";
 import UserQueue from "./UserQueue";
+import Whatsapp from "./Whatsapp";
 
 @Table
 class User extends Model<User> {
@@ -45,6 +48,13 @@ class User extends Model<User> {
   @Column
   profile: string;
 
+  @ForeignKey(() => Whatsapp)
+  @Column
+  whatsappId: number;
+
+  @BelongsTo(() => Whatsapp)
+  whatsapp: Whatsapp;
+
   @CreatedAt
   createdAt: Date;