public override async Task <bool> ExecuteAsync(CancellationToken cancellationToken = default)
{
string template_prefix = "template_", tvalue_prefix = "tvalue_";
// @"[A-Z]{1,}[_]{1,}[A-Z]{1,}[_]{0,}[A-Z]{0,}"
var tname_pattern = More.GetValue("tname_pattern");
ArgumentNullException.ThrowIfNull(tname_pattern);
var vals = new More();
foreach (var more in More.Where(item => item.Key.StartsWith(tvalue_prefix)))
{
vals.Add(more.Key[tvalue_prefix.Length..], more.Value);