Advanced Customization > Business Logic Customization > Data Exchange using Standards in Windchill > STEP Data Exchange using EXPRESS > AP242 XPX Mapping Guide > Mapping Table for AP242 to Windchill EXPRESS Entities > Identifier Mapping Table
  
Identifier Mapping Table
WNC
BOM
versionInfo.versionId
Identifier.id=versionId + ‘.’ + iterationId
versionInfo.iterationId
-
Identifier.role = ClassString(‘identification information’)
Identifier.identificationContext = ORGANIZATION
* 
For more information see Organization Mapping Table.
Part 21 Representation
#11= ORGANIZATION(IDENTIFIERSTRING('Demo Organization'),#12,$,$,$);
#12= LOCALIZEDSTRING($,'Demo Organization');
#27= IDENTIFIER('A.1',$,CLASSSTRING('identification information'),#11);