MessengerEventTypeEnum that represents types of messenger events. Reference mapConsts19EVENT_UNKNOWNIS_READON_CREATE_CONVERSATIONON_EDIT_CONVERSATIONON_EDIT_MESSAGEON_EDIT_USERON_ERRORON_GET_CONVERSATIONON_GET_PUBLIC_CONVERSATIONSON_GET_SUBSCRIPTION_LISTON_GET_USERON_REMOVE_CONVERSATIONON_REMOVE_MESSAGEON_RETRANSMIT_EVENTSON_SEND_MESSAGEON_SET_STATUSON_SUBSCRIBEON_TYPINGON_UNSUBSCRIBEConstsEVENT_UNKNOWNCopy URLIS_READCopy URLON_CREATE_CONVERSATIONCopy URLON_EDIT_CONVERSATIONCopy URLON_EDIT_MESSAGECopy URLON_EDIT_USERCopy URLON_ERRORCopy URLON_GET_CONVERSATIONCopy URLON_GET_PUBLIC_CONVERSATIONSCopy URLON_GET_SUBSCRIPTION_LISTCopy URLON_GET_USERCopy URLON_REMOVE_CONVERSATIONCopy URLON_REMOVE_MESSAGECopy URLON_RETRANSMIT_EVENTSCopy URLON_SEND_MESSAGECopy URLON_SET_STATUSCopy URLON_SUBSCRIBECopy URLON_TYPINGCopy URLON_UNSUBSCRIBECopy URL