When Application Response Measurement (ARM) transaction data is reported in the QAPMUSRTNS file, this field contains an ARM transaction type name. Names of ARM transaction types start with the prefix "QARM". You can find additional information about ARM transactions in the optional secondary file, QAPMARMTRT.
For ARM transaction types, this field is 0, because ARM APIs do not go through the Start Transaction API.
For ARM transaction types, this field contains the total ARM transaction queuing time in milliseconds.