Defined in file entrez2.asn C++ class: CEntrez2_reply Entrez2-reply ::= SEQUENCE { reply E2Reply , -- the actual reply dt Entrez2-dt , -- date/time stamp from server server VisibleString , -- server version info msg VisibleString OPTIONAL , -- possibly a message to the user key VisibleString OPTIONAL , -- history key for query cookie VisibleString OPTIONAL } -- history session cookie