Each element of the array is a name that identifies a field described in the attachment schema. If array contains multiple elements it is used to allow additional fields to contribute to the sort, where each additional field is used to break ties. More specifically, if multiple data fields have the same value for the first field named in the array, the values for successive fields named in the array are used for sorting, until a unique order is determined or until the named fields are exhausted.
Target Platforms: .NET9; .NET 8; .NET 7; .NET 6; .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5