//SetUnderlyingSecurityIDSource sets UnderlyingSecurityIDSource, Tag 305 func (m OrderMassCancelRequest) SetUnderlyingSecurityIDSource(v string) { m.Set(field.NewUnderlyingSecurityIDSource(v)) }
//SetUnderlyingSecurityIDSource sets UnderlyingSecurityIDSource, Tag 305 func (m DerivativeSecurityListRequest) SetUnderlyingSecurityIDSource(v string) { m.Set(field.NewUnderlyingSecurityIDSource(v)) }