## 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 = ['document' => Document, 'caption' => string, ]; ```