SwtchOrdrConfCxlInstr
                Mandatory
                MsgId
                Mandatory
                PoolRef
                Optional
                PrvsRef
                Repetition (0..n)
                RltdRef
                Optional
                AmdmntInd
                Mandatory
                Master Reference
MstrRef
                Optional
                Definition: Reference assigned to a set of orders or trades in order to link them together.
Type: Max35Text (String)
Restrictions:
- MinLength: 1
 - MaxLength: 35
 
OrdrRefs
                Repetition (1..n)
                CpyDtls
                Optional