DateAttribute public class DateAttribute : ElasticsearchPropertyAttributeBase, IDateProperty, IProperty, IFieldMapping Documentation Code public double Boost { get; set; } public string Format { get; set; } public bool IgnoreMalformed { get; set; } public bool IncludeInAll { get; set; } public NonStringIndexOption Index { get; set; } public DateTime NullValue { get; set; } public NumericResolutionUnit NumericResolution { get; set; } public int PrecisionStep { get; set; } public DateAttribute()