## Constructor: messageMediaDocument  

### Attributes:

| Name     |    Type       | Required |
|----------|:-------------:|---------:|
|document|[Document](../types/Document.md) | Required|
|caption|[string](../types/string.md) | Required|


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

### Example:


```
$messageMediaDocument = ['_' => messageMediaDocument', 'document' => Document, 'caption' => string, ];
```