I set a NK1 with an inbound optional and an outbound required and set only a bulkcopy for a command.
My outbound did not have any messages copied and IN1 was trancated even though NK1 was created. My XLT set up is attached.
Inbound:
MSH|^~&|BAR|2|HCI||20110425||ADT^A31|62206_3_RE|P|2.3||||||ASCII|
EVN|A31|201104250919||||
PID|1||08000071||TEST^INFANT^^^^||20110101|F|||5874 58TH STREET SW^^ISSAQUAH^WA^98027^^^^001||(425)814-5000||ENGLISH||||||||||||||||
PD1||||93862^MONPONBANUA MD^AILEEN^^^^^^^^^^FCSER|
PV1|1||||||||||||||||||||||||||||||||||||||||||||
IN1|1|1275^^FCEPP|PC82|PREMERA BLUECARD|PO BOX 91059^^SEATTLE^WA^98111||||014978|||20110101||||TEST^MICHAEL^^^^|FTH|19811122|5874 58TH STREET SW^^ISSAQUAH^WA^98027|||||||||||||||||4897804806|||||||M|
MSH|^~&|BAR|2|HCI||20110425||ADT^A31|62206_4_IM|P|2.3||||||ASCII|
EVN|A31|201104250925||||
PID|1||08000071||TEST^INFANT^^^^||20110101|F|||5874 58TH STREET SW^^ISSAQUAH^WA^98027^^^^001||(425)814-5000||ENGLISH||||||||||||||||
PD1||||93862^MONPONBANUA MD^AILEEN^^^^^^^^^^FCSER|
PV1|1||||||||||||||||||||||||||||||||||||||||||||
IN1|1|1275^^FCEPP|PC82|PREMERA BLUECARD|PO BOX 91059^^SEATTLE^WA^98111||||014978|||20110101||||TEST^MICHAEL^^^^|FTH|19811122|5874 58TH STREET SW^^ISSAQUAH^WA^98027|||||||||||||||||212|||||||M|
outbound:
MSH|^~&|||||||ADT^A31||P|2.3
EVN|A31
PID
NK1
PV1
MSH|^~&|||||||ADT^A31||P|2.3
EVN|A31
PID
NK1
PV1