can i load session add message

[ikuzono]

var History = new ChatHistory ();
MergeHistory(Loadsession, History)

async Task<ChatHistory> MergeHistory(ChatHistory Input, ChatHistory Merged)
{
    foreach (var i in Input.Messages)
    {
        var Role = i.AuthorRole;
        var Content = i.Content;

        Merged.AddMessage(Role, Content);
    };
    return Merged;
}

added to context