Specifies the type of interpolation used. 2020-06-08 interpolationMethodScheme 1-2 http://www.fpml.org/coding-scheme/interpolation-method http://www.fpml.org/coding-scheme/interpolation-method-1-2 http://www.fpml.org/coding-scheme/interpolation-method-1-2.xml Code 63 Source Description key Linear FpML Linear Interpolation applicable. "LinearZeroYield" value has been deprecated in favor "Linear" as per ISDA 2006 Definitions. The value is kept in FpML for backward compatibility purposes. LinearZeroYield FpML Linear Interpolation applicable. None FpML No Interpolation applicable.