[Home](./index.md) > [kibana-plugin-plugins-data-public](./kibana-plugin-plugins-data-public.md) > [SearchSource](./kibana-plugin-plugins-data-public.searchsource.md) > [setFields](./kibana-plugin-plugins-data-public.searchsource.setfields.md) ## SearchSource.setFields() method Internal, do not use. Overrides all search source fields with the new field array. Signature: ```typescript setFields(newFields: SearchSourceFields): this; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | newFields | SearchSourceFields | | Returns: `this`