// This should only occur if DocManager has already checked that the following will work.
// Nonetheless, we look for exceptions and report them.
try {
NamedObj parent = (NamedObj) ((Instantiable) _target)
.getParent();
List docAttributes = parent.attributeList(DocAttribute.class);
DocAttribute attribute = (DocAttribute) docAttributes
.get(docAttributes.size() - 1);
Effigy effigy = getEffigy();
DocEffigy newEffigy = new DocEffigy((CompositeEntity) effigy
.getContainer(), effigy.getContainer().uniqueName(