https://developers.liveperson.com/connector-api-send-api-authorization-and-authentication.html Required. Specify the LivePerson site id. Required. Specify Application client id. Required. Specify Application client secret. https://developers.liveperson.com/connector-api-send-api-authorization-and-authentication.html https://developers.liveperson.com/connector-api-send-api-authorization-and-authentication.html