Identifies or characterizes a relationship to an indicator.
| 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.  | 
    
| Indicator1..1 | IndicatorBaseType | 
        
           A reference to or representation of the related indicator. This field is implemented through the xsi:type extension mechanism. The default and strongly recommended type is IndicatorType in the http://stix.mitre.org/Indicator-2 namespace. This type is defined in the indicator.xsd file or at the URL http://stix.mitre.org/XMLSchema/indicator/2.1.1/indicator.xsd.  |