# ExpressionParameters
## Properties
**expression** | **String** | Expression script Example: `\"(A - B) / (A + B)\"` |
**map_no_data** | **bool** | Should NO DATA values be mapped with the `expression`? Otherwise, they are mapped automatically to NO DATA. |
**output_band** | Option<[**models::RasterBandDescriptor**](RasterBandDescriptor.md)> | Description about the output | [optional]
**output_type** | [**models::RasterDataType**](RasterDataType.md) | A raster data type for the output |
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