Try your search with a different keyword or use * as a wildcard.
using Nop.Web.Framework.Models;
namespace Nop.Web.Areas.Admin.Models.Catalog;
/// 
/// Represents a product attribute mapping search model
///  
public partial record ProductAttributeMappingSearchModel : BaseSearchModel
{
    #region Properties
    public int ProductId { get; set; }
    #endregion
}