# Entry Point

**PUBLIC** interface through which we can communicate with a [unit of code](https://blog.fiftywords.co/unit-of-code) to trigger its process.

Indicates the name, received parameters and the return type obtained when the [unit of code](https://blog.fiftywords.co/unit-of-code) is executed.

A [unit of code](https://blog.fiftywords.co/unit-of-code) **ONLY HAS ONE ENTRY POINT**

```ts
/** Entry point */
function add(summand: number, otherSummand: number): number {
  return summand + otherSummand;
}

```

[🇨🇴 Versión en Español](https://blog.cincuentapalabras.co/punto-de-entrada)