--- title: messageMediaDocument description: Message media document image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png --- # Constructor: messageMediaDocument [Back to constructors index](index.md) Message media document ### Attributes: | Name | Type | Required | Description | |----------|---------------|----------|-------------| |document|[Document](../types/Document.md) | Optional|Document| |caption|[string](../types/string.md) | Yes|Caption| ### Type: [MessageMedia](../types/MessageMedia.md) ### Example: ```php $messageMediaDocument = ['_' => 'messageMediaDocument', 'document' => Document, 'caption' => 'string']; ``` [PWRTelegram](https://pwrtelegram.xyz) json-encoded version: ``` {"_": "messageMediaDocument", "document": Document, "caption": "string"} ``` Or, if you're into Lua: ```lua messageMediaDocument={_='messageMediaDocument', document=Document, caption='string'} ```