boolean getIgnoreUnknownElements()
void setIgnoreUnknownElements(boolean value)
  Property Description  
    Property Name IgnoreUnknownElements  
    Property Type boolean  
    Accessors Read/Write  
    Description Cause the parser to ignore elements that are not present in the schema.  
    Remarks This is mutually exclusive with IgnoreMissingMandatoryElements (you can either ignore what’s missing or what’s extra but not both).