| [in] usn | The user-name that you need to use to authenticate on this interface. |
| [in] pwd | The password that you need to use to authenticate on this interface. |
| [in] options | String parameter. This is currently unused and reserved for future versions of the API. Pass in an empty string. |
| [in] locationID | The locationID value of the location you want to update. |
| [in] locationName | String parameter. The updated name assigned to this location |
| [in] userData | String parameter. The updated associated user data for this location. Alternatively an empty string can be passed in here. |
| [in] categoryName | String parameter. The updated name of the category that this location belongs to. |
| [in] polygon | String parameter. The updated Well Known Text representation of this polygon. e.g. "POLYGON ((30 10, 40.112 40.335, 20 40, 10.111112 20.111112, 30 10))" |
| return value | If an error happens this string contains the error message, otherwise it will return an empty string |
Please see this page.