public class MyDTO
{
    public string IncludeProperties {get; set;}
    public Dictionary<string,string[]> Predicate {get; set;}
}

[HttpGet]
[Route("FindAll")]
public IEnumerable<Hotel> FindAll([FromUri]PredicateDTO predicateDTO)
{
      return DataStore.FindAll<Hotel>(predicateDTO.IncludeProperties, PredicateHelper.ConvertStringToLambda<Hotel>(predicateDTO.Predicate));
}

var uri = '/api/Hotel/FindAll';
var predicate = {
        "HotelName": ["HOtel", "==", ""],
        "PaymentStatus": ["True", "==", "AND"]
}
    var data = {
        IncludeProperties: ["HotelDetails", "HotelDetails.HotelMainPhotos"],
        Predicate: predicate
    }
    busyIndicatorVisibility(true);
    $('#ModalOtel .modal-body').find(".media").remove();
    $.getJSON(uri, { predicateDTO: data }).done(//TODO something)