Home / API Reference / StockSharp.Algo.Import FieldMapping StockSharp.Algo.Import Importing field description. Inherits: FieldMapping Constructors FieldMapping(string, Func<string>, Func<string>, Action<T, T>) Initializes a new instance of the FieldMapping. name Name. getDisplayName Display name. getDescription Description. apply Apply field value action. FieldMapping(string, Func<string>, Func<string>, Type, Action<T, T>) Initializes a new instance of the FieldMapping. name Name. getDisplayName Display name. getDescription Description. type Field type. apply Apply field value action. Methods Clone() : object Creates a deep copy of a DataSeries OnApply(object, object) Apply value. instance Instance. value Field value.