semt.002.001.01.PrvsRef.Ref
semt.002.001.01.PrvsRef.RefIssr.BICOrBEI
semt.002.001.01.PrvsRef.RefIssr.PrtryId.Id
semt.002.001.01.PrvsRef.RefIssr.PrtryId.SchmeNm
semt.002.001.01.PrvsRef.RefIssr.PrtryId.Issr
semt.002.001.01.PrvsRef.MsgNm
semt.002.001.01.PrvsRef.Ref
semt.002.001.01.RltdRef.RefIssr.BICOrBEI
semt.002.001.01.RltdRef.RefIssr.PrtryId.Id
semt.002.001.01.RltdRef.RefIssr.PrtryId.SchmeNm
semt.002.001.01.RltdRef.RefIssr.PrtryId.Issr
semt.002.001.01.RltdRef.MsgNm
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This for the this XML structure: (only for PrvsRef & RltdRef).

<xs:complexType name="semt.002.001.01">
<xs:sequence>
<xs:element name="PrvsRef" type="AdditionalReference2" minOccurs="0" m
+axOccurs="unbounded"/>
<xs:element name="RltdRef" type="AdditionalReference2" minOccurs="0" m
+axOccurs="unbounded"/>
<xs:element name="MsgPgntn" type="Pagination"/>
<xs:element name="StmtGnlDtls" type="Statement3"/>
<xs:element name="AcctDtls" type="SafekeepingAccount1"/>
<xs:element name="BalForAcct" type="AggregateBalanceInformation1" minO
+ccurs="0" maxOccurs="unbounded"/>
<xs:element name="SubAcctDtls" type="SubAccountIdentification1" minOcc
+urs="0" maxOccurs="unbounded"/>
<xs:element name="TtlVals" type="TotalValueInPageAndStatement" minOccu
+rs="0" maxOccurs="1"/>
<xs:element name="Xtnsn" type="Extension1" minOccurs="0" maxOccurs="un
+bounded"/>
</xs:sequence>
</xs:complexType>


<xs:complexType name="AdditionalReference2">
<xs:sequence>
<xs:element name="Ref" type="Max35Text"/>
<xs:element name="RefIssr" type="PartyIdentification1Choice" minOccurs
+="0" maxOccurs="1"/>
<xs:element name="MsgNm" type="Max35Text" minOccurs="0" maxOccurs="1"/
+>
</xs:sequence>
</xs:complexType>

<xs:complexType name="PartyIdentification1Choice">
<xs:sequence>
<xs:choice>
<xs:element name="BICOrBEI" type="AnyBICIdentifier"/>
<xs:element name="PrtryId" type="GenericIdentification1"/>
<xs:element name="NmAndAdr" type="NameAndAddress2"/>
</xs:choice>
</xs:sequence>
</xs:complexType>

<xs:complexType name="GenericIdentification1">
<xs:sequence>
<xs:element name="Id" type="Max35Text"/>
<xs:element name="SchmeNm" type="Max35Text" minOccurs="0" maxOccurs="1
+"/>
<xs:element name="Issr" type="Max35Text" minOccurs="0" maxOccurs="1"/>
</xs:sequence>
</xs:complexType>
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semt.002.001.01 is the root node. PrvsRef, RltdRef are intermediate nodes with complex type AdditionalReference2. AdditionalReference2 has 3 names Ref, RefIssr, MsgNm. Ref is type Max35Text which is not complex type There fore is semt.002.001.01.PrvsRef.Ref. RefIssr is type PartyIdentification1Choice which again a complex type with three names. BICOrBEI, PrtryId, NmAndAdr. BICOrBEI is of the type=AnyBICIdentifier which is not a complex type. Therefor the output is semt.002.001.01.PrvsRef.RefIssr.BICOrBEI. BUt PrtryId is of the type GenericIdentification1 which has three names under it Id, SchmeNm, Issr. All of which are no longer complex types. Therefore the output is semt.002.001.01.RltdRef.RefIssr.PrtryId.Id semt.002.001.01.RltdRef.RefIssr.PrtryId.SchmeNm semt.002.001.01.RltdRef.RefIssr.PrtryId.Issr I tried the tips which you told me. But doesn't work the same way. As here it is in form of a tree. Apologies if I was not clear. Please advise.