Identifies or characterizes a relationship to a Package.
| Field Name | Type | Description | 
|---|---|---|
| Confidence0..1 | ConfidenceType | The confidence field specifies the level of confidence in the assertion of the relationship between the two components. | 
| Information_Source0..1 | InformationSourceType | The Information_Source field specifies the source of the information about the relationship between the two components. | 
| Relationship0..1 | ControlledVocabularyStringType | The relationship field characterizes the type of the relationship between the two components. This field is implemented through the xsi:type controlled vocabulary extension mechanism. No default vocabulary type has been defined for STIX 1.2. Users may either define their own vocabulary using the type extension mechanism, specify a vocabulary name and reference using the attributes, or simply use this as a free string field. | 
| @idrefoptional | QName | Specifies a globally unique identifier of a STIX Package specified elsewhere. | 
| @timestampoptional | dateTime | In conjunction with the idref, this field may be used to reference a specific version of a STIX Package defined elsewhere. |