# `jsonSamplesExpandLevel` The `jsonSamplesExpandLevel` option sets the default expand level for JSON payload samples (response and request body). The maximum supported value is '+Infinity'. It can also be configured as a string with the special value "all" that expands all levels. ## Options | Option | Type | Description | | --- | --- | --- | | jsonSamplesExpandLevel | number | string | 'all' | Sets the default expand level for JSON payload samples. Default value is `2`. | ## Examples The following example expands the JSON payload samples to a depth of five levels. ```yaml redocly.yaml openapi: jsonSamplesExpandLevel: 5 ``` ## Resources - **[OpenAPI configuration](/docs/realm/config/openapi)** - Complete guide to OpenAPI configuration options for customizing API reference documentation - **[OpenAPI Specification](https://spec.openapis.org/oas/latest.html)** - Official OpenAPI Specification documentation for understanding API description standards - **[OpenAPI visual reference](https://redocly.com/learn/openapi/openapi-visual-reference)** - Visual guide to OpenAPI specification structure and JSON sample expansion configuration - **[Configuration options](/docs/realm/config)** - Explore other project configuration options for comprehensive documentation customization