# InputFile

Defines a file uploaded by the client.

```tl
inputFile#f52ff27f id:long parts:int name:string md5_checksum:string = InputFile;
inputFileBig#fa4f0bb5 id:long parts:int name:string = InputFile;
inputFileStoryDocument#62dc8b48 id:InputDocument = InputFile;
```

### Constructors

| Constructor | Description |
| --- | --- |
| [inputFile](/constructor/inputFile.md) | Defines a file saved in parts using the method [upload.saveFilePart](/method/upload.saveFilePart.md). |
| [inputFileBig](/constructor/inputFileBig.md) | Assigns a big file (over 10 MB in size), saved in part using the method [upload.saveBigFilePart](/method/upload.saveBigFilePart.md). |
| [inputFileStoryDocument](/constructor/inputFileStoryDocument.md) | Used to [edit the thumbnail/static preview of a story, see here »](/api/stories.md#editing-stories) for more info on the full flow