--- title: updateFileGenerationProgress description: Informs that a file is being generated --- ## Constructor: updateFileGenerationProgress [Back to constructors index](index.md) Informs that a file is being generated ### Attributes: | Name | Type | Required | Description | |----------|:-------------:|:--------:|------------:| |file\_id|[int](../types/int.md) | Yes|File identifier| |size|[int](../types/int.md) | Yes|Expected size of the generated file| |ready|[int](../types/int.md) | Yes|Number of bytes already generated. Negative number means that generation has failed and was terminated| ### Type: [Update](../types/Update.md) ### Example: ``` $updateFileGenerationProgress = ['_' => 'updateFileGenerationProgress', 'file_id' => int, 'size' => int, 'ready' => int, ]; ``` [PWRTelegram](https://pwrtelegram.xyz) json-encoded version: ``` {"_":"updateFileGenerationProgress","file_id":"int","size":"int","ready":"int"} ``` Or, if you're into Lua: ``` updateFileGenerationProgress={_='updateFileGenerationProgress', file_id=int, size=int, ready=int, } ```