| contextid | string | The context ID to search for members in | Yes |
| name | string | The name of the member to search for | No |
| city | string | The city of the member to search for | No |
| city_or_airport | string | The city or airport of the member to search for | No |
| state | string | The state of the member to search for | No |
| airport | string | The airport of the member to search for | No |
| country | string | The country of the member to search for | No |
| email | string | The email of the member to search for | No |
| location | string | GPS coordinates to search near, as longitude,latitude (e.g. -118.3955476,33.9781746). Used with radius. | No |
| radius | number | Search radius in meters around location. Defaults to 1000. | No |
| postal_code | string | Postal/zip code to search near. Resolved server-side to coordinates and searched with a 50km radius by default (override with radius). Ignored if location is also provided. | No |