---
id: 5d792534257122211d3043af
title: Part 024
challengeType: 0
isBeta: true
---
## Description
Define an object `spreadsheetFunctions`, with a single key - an empty string (`""`). The corresponding value should be the function `x => x`.
## Instructions
## Tests
```yml
tests:
- text: See description above for instructions.
testString: assert(spreadsheetFunctions[""]("x") === "x");
```
## Challenge Seed
```html
```
### Before Test
### After Test
```html
```
## Solution