Extensions.conf file help

Dear , i need your help

How can i add this lines at freePBX

[from-trunk]

exten => 98123,1,Answer

exten => 98123,n,Noop( SIPCALLID ${SIPCALLID})

exten => 98123,n,Noop( UNIQUEID ${UNIQUEID})

exten => 98123,n,Noop( SIPHEADER From = ${SIP_HEADER(From)})

exten => 98123,n,Noop( SIPHEADER From = ${CUT(CUT(SIP_HEADER(From),;,7),>,1)})

exten => 98123,n,Set(remotedid=${CUT(CUT(SIP_HEADER(From),=,6),>,1)})

exten => 98123,n,Set(pseudodidi2=${CUT(SIP_HEADER(From),x-farendaddr,1)})

exten => 98123,n,Noop( ${remotedid})

exten => 98123,n,Record(Record${CALLERID(num)}${CUT(SIPCALLID,-,1)}-${CALLERID(num)}-${STRFTIME(${EPOCH},%Y%m%d-%H%M%S)}-${remotedid}-${CHANNEL:-2}%d:wav)

Thanks