| Name | Type | Description | Notes |
|---|---|---|---|
| minimumDigits | Integer | The minimum number of digits to fetch. This parameter has a minimum value of 1. | [optional] |
| maximumDigits | Integer | The maximum number of digits to fetch. This parameter has a maximum value of 128. | [optional] |
| timeoutMillis | Integer | The number of milliseconds to wait to complete the request. | [optional] |
| interDigitTimeoutMillis | Integer | The number of milliseconds to wait for input between digits. | [optional] |
| initialTimeoutMillis | Integer | The number of milliseconds to wait for the first DTMF. | [optional] |
| terminatingDigit | String | The digit used to terminate input if fewer than `maximum_digits` digits have been gathered. | [optional] |
| validDigits | String | A list of all digits accepted as valid. | [optional] |
| gatherId | String | An id that will be sent back in the corresponding `call.gather.ended` webhook. Will be randomly generated if not specified. | [optional] |
| clientState | String | Use this field to add state to every subsequent webhook. It must be a valid Base-64 encoded string. | [optional] |
| commandId | String | Use this field to avoid duplicate commands. Telnyx will ignore any command with the same `command_id` for the same `call_control_id`. | [optional] |