# ListTopTopicsRequest ## Fields | Field | Type | Required | Description | | ---------------------------------------------------------------- | ---------------------------------------------------------------- | ---------------------------------------------------------------- | ---------------------------------------------------------------- | | `apiKey` | *string* | :heavy_check_mark: | N/A | | `apiUsername` | *string* | :heavy_check_mark: | N/A | | `period` | *string* | :heavy_minus_sign: | Enum: `all`, `yearly`, `quarterly`, `monthly`, `weekly`, `daily` |