In the following example, a message is created, the double properties mydoubleproperty1 and mydoubleproperty2 are set, and
the message is sent to the address clientid\queuename:
begin
declare @msgid varchar(128);
set @msgid = ml_qa_createmessage();
call ml_qa_setdoubleproperty( @msgid, 'mydoubleproperty1', -12.34e-56 );
call ml_qa_setdoubleproperty( @msgid, 'mydoubleproperty2', 12.34e56 );
call ml_qa_putmessage( @msgid, 'clientid\queuename' );
commit;
end