At least one field of 3 must have a value Optional [attribute], Single Occurrence, with Simple Type [inline-ExampleAtLeastOne-A] localName is [A] without namespace Optional [attribute], Single Occurrence, with Simple Type [inline-ExampleAtLeastOne-B] localName is [B] without namespace Optional [attribute], Single Occurrence, with Simple Type [inline-ExampleAtLeastOne-C] localName is [C] without namespace At least one field of 3 must have a value