| Property | Class | Description |
| BaseType | niem | The NIEM base type that implements the source class or property |
| CodeList | niem | The values and definitions of a code list in the format "value1", "definition1", "value2", "definition2" |
| HTTPMethods | webservice | HTTP methods supported by the web service |
| Multiplicity | niem | The multiplicity of the NIEM property that implements the source class or property |
| Notes | niem | Notes regarding the mapping of the source class and property to the NIEM |
| OldMultiplicity | niem | The old mutiplicity of the NIEM property that implements the source class or property |
| OldXPath | niem | Old XML mapping to the NIEM |
| Property | niem | The NIEM property that implements the source class or property |
| Type | niem | The NIEM type that implements the source class or property |
| XPath | niem | XML mapping to the NIEM |