MadelineProtoDocs/old_docs/API_docs_v100/constructors/messageActionContactSignUp.md

---
title: messageActionContactSignUp
description: A contact just signed up to telegram
image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png
---
# Constructor: messageActionContactSignUp  
[Back to constructors index](index.md)



A contact just signed up to telegram




### Type: [MessageAction](../types/MessageAction.md)


### Example:

```php
$messageActionContactSignUp = ['_' => 'messageActionContactSignUp'];
```  


Or, if you're into Lua:

```lua
messageActionContactSignUp={_='messageActionContactSignUp'}

```