QAdminBasePageModelQFObject Property

public virtual JSQFObject QFObject { get; }

public class MoviesListModel : QAdminBasePageModel
{
    public IActionResult OnPostPageIndexChanged(...)
    {
        ...
    }

    public override JSQFObject QFObject => base.QFObject
        .SetDataTitle("Movies")
        .SetIsDataKeyString(true)
        .SetHandlerPaging("PageIndexChanged")
        ;
}