public class ObjectParameterWithPublicPropertiesOnly
{
    //  Parameter { Name : "SimplePublicProperty" , Value : "Value33" }
    public string SimplePublicProperty { get; } = "Value33";
    
    //  Parameter { Name : "ParaMeter" , Value : "Value11" }
    [ParameterName("ParaMeter")]
    public string CustomNamedParameter { get; } = "Value11";

    //  Parameter { Name : "ExplicitlyIncludedPrivateProperty" , Value : "2.343" }
    [IncludeParameter]     
    private double ExplicitlyIncludedPrivateProperty { get; } = 2.343;

    //  Property will be excluded from parameter list
    [ExcludeParameter]
    public bool ExplicitlyExcludedPrivateProperty { get; } = true;
    
    //  Parameter { Name : "FormattedPublicProperty" , Value : "52.03" }
    [ParameterFormatString("F")]
    public double FormattedPublicProperty { get; } = 52.02947819434;

    //  Parameter { Name : "PropertywithDefaultValue" , Value : "Dracula" }
    [ParameterDefaultValue("Dracula")]
    public string PropertywithDefaultValue { get; } = null;
    
    //  Parameter { Name : "CustomFormattableProperty" , Value : "Formatted as SomeFormatString" }
    [ParameterFormatString("SomeFormatString")]
    public FormattableObject CustomFormattableProperty { get; } = new FormattableObject();

    public class FormattableObject
    {
       public string ToString(string format) => $"Formatted as {format}";
    }

    //  Parameter { Name : "FormateddObject" , Value : "Y" }            
    [ParameterFormatter(typeof(BooleanParameterFormatter))]
    public bool FormateddObject { get; } = true;


    public class BooleanParameterFormatter : IParameterFormatter
   {
       public string Format(object parameterValue)
       {
           var parameterBooleanValue = (bool)parameterValue;
           return parameterBooleanValue ? "Y" : "N";
       }
   }
}

var request = new RestRequest("resource/{id}", Method.POST); 
request.AddObjectParameter(new ObjectParameterWithPublicPropertiesOnly());