sets the value of the extension property . concode_field_sep ServiceMetadataReferenceCollectionType serviceMetadataReferenceCollection concode_elem_sep ExtensionType extension concode_elem_sep ParticipantIdentifierType participantIdentifier concode_field_sep ServiceMetadataReferenceCollectionType getServiceMetadataReferenceCollection concode_elem_sep ParticipantIdentifierType getParticipantIdentifier concode_elem_sep ExtensionType getExtension concode_elem_sep void setParticipantIdentifier concode_elem_sep void setServiceMetadataReferenceCollection
void function ( ExtensionType arg0 ) { this . extension = arg0 ; }