MadelineProto/docs/TD_docs/constructors/updateFileGenerationStart.md

---
title: updateFileGenerationStart
description: File generation process need to be started by the client
---
## Constructor: updateFileGenerationStart  
[Back to constructors index](index.md)



File generation process need to be started by the client

### Attributes:

| Name     |    Type       | Required | Description |
|----------|:-------------:|:--------:|------------:|
|generation\_id|[long](../types/long.md) | Yes|Unique identifier for the generation process|
|original\_path|[string](../types/string.md) | Yes|Path to a file from which new file is generated, may be empty|
|destination\_path|[string](../types/string.md) | Yes|Path to a file which should be created and to which new file should be generated|
|conversion|[string](../types/string.md) | Yes|String specifying conversion applied to the original file|



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


### Example:

```
$updateFileGenerationStart = ['_' => 'updateFileGenerationStart', 'generation_id' => long, 'original_path' => string, 'destination_path' => string, 'conversion' => string, ];
```  

[PWRTelegram](https://pwrtelegram.xyz) json-encoded version:

```
{"_":"updateFileGenerationStart","generation_id":"long","original_path":"string","destination_path":"string","conversion":"string"}
```


Or, if you're into Lua:  


```
updateFileGenerationStart={_='updateFileGenerationStart', generation_id=long, original_path=string, destination_path=string, conversion=string, }

```