## Interface `MlFillMaskInferenceUpdateOptions` | Name | Type | Description | | - | - | - | | `num_top_classes` | [integer](./integer.md) | Specifies the number of top class predictions to return. Defaults to 0. | | `results_field` | string | The field that is added to incoming documents to contain the inference prediction. Defaults to predicted_value. | | `tokenization` | [MlNlpTokenizationUpdateOptions](./MlNlpTokenizationUpdateOptions.md) | The tokenization options to update when inferring |