# AssistantToolsFileSearchFileSearch
## Properties
**max_num_results** | Option<**i32**> | The maximum number of results the file search tool should output. The default is 20 for `gpt-4*` models and 5 for `gpt-3.5-turbo`. This number should be between 1 and 50 inclusive. Note that the file search tool may output fewer than `max_num_results` results. See the [file search tool documentation](/docs/assistants/tools/file-search#customizing-file-search-settings) for more information. | [optional]
**ranking_options** | Option<[**models::FileSearchRankingOptions**](FileSearchRankingOptions.md)> | | [optional]
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