The IXCSEND macro is written as follows:

main diagram

               .-,MSGID=0-----.  .-,MSGCNTL=0-------.   
>>-IXCSEND--b--+--------------+--+------------------+----------->
               '-,MSGID=msgid-'  '-,MSGCNTL=msgcntl-'   

>--+-,NODATA------------------------------------------------------------+-->
   +-,MSGDATA=msgdata-,MSGLEN=msglen------------------------------------+   
   |                 .-,#MSGDESC=1--------. .-,LENMDENTRY=16----------. |   
   '-,MSGDESC=msdesc-+--------------------+-+-------------------------+-'   
                     '-,#MSGDESC=#msgdesc-' '-,LENMDENTRY=#lenmdentry-'     

   .-,MSGSTGKEY=ANY----.                   
>--+-------------------+--,SENDER=sender------------------------>
   '-,MSGSTGKEY=msgkey-'                   

   .-,SENDERID=0--------.  .-,USERDATA=0--------.   
>--+--------------------+--+--------------------+--------------->
   '-,SENDERID=senderid-'  '-,USERDATA=userdata-'   

>--+-,SENDTO=SERVER-| parameters-1 |-----+---------------------->
   '-,SENDTO=ORIGINATOR-| parameters-2 |-'   

   .-,EXPECTREPLY=NO-----------------------------------.   
>--+---------------------------------------------------+-------->
   |                  .-,RESPONSELEVEL=0-------------. |   
   '-,EXPECTREPLY=YES-+------------------------------+-'   
                      '-,RESPONSELEVEL=responselevel-'     

   .-,SENDTIME=5--------.  .-,RESPTIME=60-------.   
>--+--------------------+--+--------------------+--------------->
   '-,SENDTIME=sendtime-'  '-,RESPTIME=resptime-'   

   .-,HOLDTIME=NONE-----.   
>--+--------------------+--------------------------------------->
   '-,HOLDTIME=holdtime-'   

                    .-,TTOKEN=CURRENT-.         
   .-,RECVBIND=TASK-+-----------------+-----.   
   |                '-,TTOKEN=ttoken--'     |   
>--+----------------------------------------+------------------->
   +-,RECVBIND=ADDRSPACE-+-,PRIMARY-------+-+   
   |                     +-,HOME----------+ |   
   |                     '-,STOKEN=stoken-' |   
   '-,RECVBIND=SYSTEM-----------------------'   

   .-,RETMSGTOKEN=NONE--------.                         
>--+--------------------------+--+------------------+----------->
   '-,RETMSGTOKEN=retmsgtoken-'  '-,RETCODE=retcode-'   

                         .-,PLISTVER=IMPLIED_VERSION-.   
>--+------------------+--+---------------------------+---------->
   '-,RSNCODE=rsncode-'  +-,PLISTVER=MAX-------------+   
                         '-,PLISTVER=plistver--------'   

   .-,MF=S--------------------------.   
>--+--------------------------------+--------------------------><
   |                .-,0D-----.     |   
   +-,MF=(L-,mfctrl-+---------+-)---+   
   |                '-,mfattr-'     |   
   |                .-,COMPLETE-.   |   
   '-,MF=(E-,mfctrl-+-----------+-)-'   

parameters-1

>>-,FUNCTION=function--,DESCRIPTION=description----------------->

   .-,CLIENTLEVEL=0-----------.   
>--+--------------------------+--------------------------------->
   '-,CLIENTLEVEL=clientlevel-'   

   .-,CRITERIA=SC_MINSERVERLEVEL-.   
>--+-----------------------------+------------------------------>
   '-,CRITERIA=criteria----------'   

>--+-,SERVER=server-+-,SYSTEMS=ALL--------------------+-+------><
   |                +-,SYSTEMS=OTHER------------------+ |   
   |                +-,SYSTEMS=LOCAL------------------+ |   
   |                +-,SYSTEMS=NAME-| parameters-3 |--+ |   
   |                +-,SYSTEMS=SYSID-| parameters-5 |-+ |   
   |                | .-,#SYSTEMS=1-------.           | |   
   |                +-+-------------------+-----------+ |   
   |                | '-,#SYSTEMS=systems-'           | |   
   |                | .-,LENSYSENTRY=4-----------.    | |   
   |                '-+--------------------------+----' |   
   |                  '-,LENSYSENTRY=lensysentry-'      |   
   '-,SERVERID=serverid---------------------------------'   

parameters-2

>>-,RESPTOKEN=resptoken----------------------------------------->

   .-,RESPRETCODE=0----------------------------------------.   
>--+-------------------------------------------------------+---->
   |                          .-,RESPRSNCODE=0-----------. |   
   '-,RESPRETCODE=respretcode-+--------------------------+-'   
                              '-,RESPRSNCODE=resprsncode-'     

   .-,SUPPLIEDLEVEL=0-------------.   
>--+------------------------------+----------------------------->
   '-,SUPPLIEDLEVEL=suppliedlevel-'   

   .-,SUPPORTLEVEL=0------------.   
>--+----------------------------+------------------------------><
   '-,SUPPORTLEVEL=supportlevel-'   

parameters-3

                    .-,WILDCARDONE=?-----------.   
>>-,SYSNAME=sysname-+--------------------------+---------------->
                    '-,WILDCARDONE=wildcardone-'   

>----| parameters-4 |------------------------------------------><

parameters-4

   .-,WILDCARDANY=*-----------.                     
>>-+--------------------------+--| parameters-5 |--------------><
   '-,WILDCARDANY=wildcardany-'                     

parameters-5

   .-,#SYSTEMS=1--------.  .-,#LENSYSENTRY=8------------.   
>>-+--------------------+--+----------------------------+------->
   '-,#SYSTEMS=#systems-'  '-,#LENSYSENTRY=#lensysentry-'   

>--| parameters-6 |--------------------------------------------><

parameters-6

                .-,#SYSTEMS=1--------. .-,#LENSYSENTRY=8------------.   
>>-,SYSID=sysid-+--------------------+-+----------------------------+-><
                '-,#SYSTEMS=#systems-' '-,#LENSYSENTRY=#lensysentry-'