! width=30% | Property !! width=30% | Value !! Comment
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| '''Targettype left''' (TARGETTYPELEFT) || [[CONTEXTCONTEXTSCOPE]] || Context object
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| '''Targettype right''' (TARGETTYPERIGHT) || [[CONTEXTSCOPEMETAPROPERTYROOT]] || Context scope object, either a [[MetaClassScope]] or a [[QueryScope]]
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| '''Relation data template''' (RELATIONDATA) || [[ACMCONTEXTSCOPERELDATA]] || MetaClass for template of relational data