--- title: file description: Represents a file --- ## Constructor: file [Back to constructors index](index.md) Represents a file ### Attributes: | Name | Type | Required | Description | |----------|---------------|----------|-------------| |id|[int](../types/int.md) | Yes|Unique file identifier, 0 for empty file| |persistent\_id|[string](../types/string.md) | Yes|Persistent file identifier, if exists. Can be used across application restarts or even other devices for current logged user. If begins with "http: " or "https: ", it is HTTP URL of the file. Currently, TDLib is unable to download files if only they URL is known| |size|[int](../types/int.md) | Yes|File size, 0 if unknown| |path|[string](../types/string.md) | Yes|Local path to the file, if available| ### Type: [File](../types/File.md)