ExternalAidType --------------- Description and link to the External Aid using the DDI Other Material structure. Properties ~~~~~~~~~~ .. csv-table:: :header: "Name","Type","","Description" :widths: 15,10,5,100 "OtherMaterialReference",":doc:`/item-types/OtherMaterial/index`","0..1","Description and link to the ExternalAid using the DDI Other Material structure." Relationships ~~~~~~~~~~~~~ The following types reference this type. * :doc:`/item-types/ControlConstruct/index` * :doc:`/item-types/MeasurementItem/index` * :doc:`/item-types/QuestionBlock/index` * :doc:`/item-types/QuestionGrid/index` * :doc:`/item-types/QuestionItem/index` .. container:: image |stub| .. |stub| image:: ../../images/ExternalAidType.svg