# `IngestInferenceConfigRegression` [interface-IngestInferenceConfigRegression]

| Name | Type | Description |
| - | - | - |
| `num_top_feature_importance_values` | [integer](./integer.md) | Specifies the maximum number of feature importance values per document. |
| `results_field` | [Field](./Field.md) | The field that is added to incoming documents to contain the inference prediction. |