diff --git a/apps/overload/.eslintrc.json b/apps/overload/.eslintrc.json
new file mode 100644
index 0000000..c34c7dd
--- /dev/null
+++ b/apps/overload/.eslintrc.json
@@ -0,0 +1,36 @@
+{
+  "extends": ["../../.eslintrc.json"],
+  "ignorePatterns": ["!**/*"],
+  "overrides": [
+    {
+      "files": ["*.ts"],
+      "rules": {
+        "@angular-eslint/directive-selector": [
+          "error",
+          {
+            "type": "attribute",
+            "prefix": "app",
+            "style": "camelCase"
+          }
+        ],
+        "@angular-eslint/component-selector": [
+          "error",
+          {
+            "type": "element",
+            "prefix": "app",
+            "style": "kebab-case"
+          }
+        ]
+      },
+      "extends": [
+        "plugin:@nrwl/nx/angular",
+        "plugin:@angular-eslint/template/process-inline-templates"
+      ]
+    },
+    {
+      "files": ["*.html"],
+      "extends": ["plugin:@nrwl/nx/angular-template"],
+      "rules": {}
+    }
+  ]
+}
diff --git a/apps/overload/README.md b/apps/overload/README.md
new file mode 100644
index 0000000..9696340
--- /dev/null
+++ b/apps/overload/README.md
@@ -0,0 +1,31 @@
+<h1>Function overload</h1>
+
+> Author: Thomas Laforge
+
+### Information
+
+### Statement
+
+### Step 1
+
+### Step 2
+
+### Constraints:
+
+### Submitting your work
+
+1. Fork the project
+2. clone it
+3. npm install
+4. **`npx nx serve overload`**
+5. _...work on it_
+6. Commit your work
+7. Submit a PR with a title beginning with **Answer:15** that I will review and other dev can review.
+
+<a href="https://github.com/tomalaforge/angular-challenges/pulls?q=label%3A15+label%3Aanswer"><img src="https://img.shields.io/badge/-Solutions-green" alt="overload"/></a>
+
+<!-- TODO: uncomment when done late -->
+<!-- <a href='https://github.com/tomalaforge/angular-challenges/pulls?q=label%3A15+label%3A"answer+author"'><img src="https://img.shields.io/badge/-Author solution-important" alt="overload solution author"/></a>
+<a href="{Blog post url}" target="_blank" rel="noopener noreferrer"><img src="https://img.shields.io/badge/-Blog post explanation-blue" alt="overload blog article"/></a> -->
+
+_You can ask any question on_ <a href="https://twitter.com/laforge_toma" target="_blank" rel="noopener noreferrer"><img src="./../../logo/twitter.svg" height=20px alt="twitter"/></a>
diff --git a/apps/overload/project.json b/apps/overload/project.json
new file mode 100644
index 0000000..5fa620d
--- /dev/null
+++ b/apps/overload/project.json
@@ -0,0 +1,76 @@
+{
+  "name": "overload",
+  "$schema": "../../node_modules/nx/schemas/project-schema.json",
+  "projectType": "application",
+  "sourceRoot": "apps/overload/src",
+  "prefix": "app",
+  "targets": {
+    "build": {
+      "executor": "@angular-devkit/build-angular:browser",
+      "outputs": ["{options.outputPath}"],
+      "options": {
+        "outputPath": "dist/apps/overload",
+        "index": "apps/overload/src/index.html",
+        "main": "apps/overload/src/main.ts",
+        "polyfills": ["zone.js"],
+        "tsConfig": "apps/overload/tsconfig.app.json",
+        "inlineStyleLanguage": "scss",
+        "assets": ["apps/overload/src/favicon.ico", "apps/overload/src/assets"],
+        "styles": ["apps/overload/src/styles.scss"],
+        "scripts": []
+      },
+      "configurations": {
+        "production": {
+          "budgets": [
+            {
+              "type": "initial",
+              "maximumWarning": "500kb",
+              "maximumError": "1mb"
+            },
+            {
+              "type": "anyComponentStyle",
+              "maximumWarning": "2kb",
+              "maximumError": "4kb"
+            }
+          ],
+          "outputHashing": "all"
+        },
+        "development": {
+          "buildOptimizer": false,
+          "optimization": false,
+          "vendorChunk": true,
+          "extractLicenses": false,
+          "sourceMap": true,
+          "namedChunks": true
+        }
+      },
+      "defaultConfiguration": "production"
+    },
+    "serve": {
+      "executor": "@angular-devkit/build-angular:dev-server",
+      "configurations": {
+        "production": {
+          "browserTarget": "overload:build:production"
+        },
+        "development": {
+          "browserTarget": "overload:build:development"
+        }
+      },
+      "defaultConfiguration": "development"
+    },
+    "extract-i18n": {
+      "executor": "@angular-devkit/build-angular:extract-i18n",
+      "options": {
+        "browserTarget": "overload:build"
+      }
+    },
+    "lint": {
+      "executor": "@nrwl/linter:eslint",
+      "outputs": ["{options.outputFile}"],
+      "options": {
+        "lintFilePatterns": ["apps/overload/**/*.ts", "apps/overload/**/*.html"]
+      }
+    }
+  },
+  "tags": []
+}
diff --git a/apps/overload/src/app/app.component.ts b/apps/overload/src/app/app.component.ts
new file mode 100644
index 0000000..e4821fb
--- /dev/null
+++ b/apps/overload/src/app/app.component.ts
@@ -0,0 +1,14 @@
+import { Component } from '@angular/core';
+import { createVehicle } from './teacher.utils';
+
+@Component({
+  standalone: true,
+  selector: 'app-root',
+  template: ``,
+})
+export class AppComponent {
+  car = createVehicle('car', 'diesel');
+  bus = createVehicle('bus', undefined, 20);
+  boat = createVehicle('boat', undefined, 300, true);
+  bicycle = createVehicle('bicycle');
+}
diff --git a/apps/overload/src/app/teacher.utils.ts b/apps/overload/src/app/teacher.utils.ts
new file mode 100644
index 0000000..ce55386
--- /dev/null
+++ b/apps/overload/src/app/teacher.utils.ts
@@ -0,0 +1,55 @@
+type VehicleType = 'bus' | 'car' | 'moto' | 'bicycle' | 'boat';
+type Fuel = 'diesel' | 'petrol' | 'electric';
+
+interface Bicycle {
+  type: 'bicycle';
+}
+
+interface Car {
+  fuel: Fuel;
+  type: 'car';
+}
+
+interface Moto {
+  fuel: Fuel;
+  type: 'moto';
+}
+
+interface Bus {
+  capacity: number;
+  isPublicTransport: boolean;
+  type: 'bus';
+}
+
+interface Boat {
+  capacity: number;
+  type: 'boat';
+}
+
+type Vehicle = Bicycle | Car | Moto | Bus | Boat;
+
+export function createVehicle(
+  type: VehicleType,
+  fuel?: Fuel,
+  capacity?: number,
+  isPublicTransport?: boolean
+): Vehicle {
+  switch (type) {
+    case 'bicycle':
+      return { type };
+    case 'car':
+    case 'moto':
+      if (!fuel) throw new Error(`fuel property is missing for type ${type}`);
+      return { fuel, type };
+    case 'boat':
+      if (!capacity)
+        throw new Error(`capacity property is missing for type boat`);
+      return { capacity, type };
+    case 'bus':
+      if (!capacity)
+        throw new Error(`capacity property is missing for type bus`);
+      if (!isPublicTransport)
+        throw new Error(`isPublicTransport property is missing for type bus`);
+      return { capacity, isPublicTransport, type };
+  }
+}
diff --git a/apps/overload/src/assets/.gitkeep b/apps/overload/src/assets/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/apps/overload/src/favicon.ico b/apps/overload/src/favicon.ico
new file mode 100644
index 0000000..317ebcb
Binary files /dev/null and b/apps/overload/src/favicon.ico differ
diff --git a/apps/overload/src/index.html b/apps/overload/src/index.html
new file mode 100644
index 0000000..e501c90
--- /dev/null
+++ b/apps/overload/src/index.html
@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <title>Overload</title>
+    <base href="/" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <link rel="icon" type="image/x-icon" href="favicon.ico" />
+  </head>
+  <body>
+    <app-root></app-root>
+  </body>
+</html>
diff --git a/apps/overload/src/main.ts b/apps/overload/src/main.ts
new file mode 100644
index 0000000..31c5da4
--- /dev/null
+++ b/apps/overload/src/main.ts
@@ -0,0 +1,4 @@
+import { bootstrapApplication } from '@angular/platform-browser';
+import { AppComponent } from './app/app.component';
+
+bootstrapApplication(AppComponent).catch((err) => console.error(err));
diff --git a/apps/overload/src/styles.scss b/apps/overload/src/styles.scss
new file mode 100644
index 0000000..90d4ee0
--- /dev/null
+++ b/apps/overload/src/styles.scss
@@ -0,0 +1 @@
+/* You can add global styles to this file, and also import other style files */
diff --git a/apps/overload/tsconfig.app.json b/apps/overload/tsconfig.app.json
new file mode 100644
index 0000000..fff4a41
--- /dev/null
+++ b/apps/overload/tsconfig.app.json
@@ -0,0 +1,10 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "../../dist/out-tsc",
+    "types": []
+  },
+  "files": ["src/main.ts"],
+  "include": ["src/**/*.d.ts"],
+  "exclude": ["jest.config.ts", "src/**/*.test.ts", "src/**/*.spec.ts"]
+}
diff --git a/apps/overload/tsconfig.editor.json b/apps/overload/tsconfig.editor.json
new file mode 100644
index 0000000..4ee6393
--- /dev/null
+++ b/apps/overload/tsconfig.editor.json
@@ -0,0 +1,7 @@
+{
+  "extends": "./tsconfig.json",
+  "include": ["src/**/*.ts"],
+  "compilerOptions": {
+    "types": []
+  }
+}
diff --git a/apps/overload/tsconfig.json b/apps/overload/tsconfig.json
new file mode 100644
index 0000000..0731542
--- /dev/null
+++ b/apps/overload/tsconfig.json
@@ -0,0 +1,29 @@
+{
+  "compilerOptions": {
+    "target": "es2022",
+    "useDefineForClassFields": false,
+    "forceConsistentCasingInFileNames": true,
+    "strict": true,
+    "noImplicitOverride": true,
+    "noPropertyAccessFromIndexSignature": true,
+    "noImplicitReturns": true,
+    "noFallthroughCasesInSwitch": true
+  },
+  "files": [],
+  "include": [],
+  "references": [
+    {
+      "path": "./tsconfig.app.json"
+    },
+    {
+      "path": "./tsconfig.editor.json"
+    }
+  ],
+  "extends": "../../tsconfig.base.json",
+  "angularCompilerOptions": {
+    "enableI18nLegacyMessageIdFormat": false,
+    "strictInjectionParameters": true,
+    "strictInputAccessModifiers": true,
+    "strictTemplates": true
+  }
+}