# FreeTrial ## Fields | Field | Type | Required | Description | | -------------------------------------------------------- | -------------------------------------------------------- | -------------------------------------------------------- | -------------------------------------------------------- | | `duration_length` | *float* | :heavy_check_mark: | N/A | | `duration_type` | [models.PlanDurationType](../models/plandurationtype.md) | :heavy_check_mark: | N/A | | `card_required` | *bool* | :heavy_check_mark: | N/A |