protected override void CacheMetadata(NativeActivityMetadata metadata)
{
var collection = new Collection <RuntimeArgument>();
ActivityHelper.AddCacheMetadata(collection, metadata, Title, "Title");
ActivityHelper.AddCacheMetadata(collection, metadata, Message, "Message");
ActivityHelper.AddCacheMetadata(collection, metadata, Actions, "Actions");
ActivityHelper.AddCacheMetadata(collection, metadata, ActionCode, "ActionCode");
metadata.SetArgumentsCollection(collection);
}