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<h1 id="chatsession-stripping-role-names">ChatSession - stripping role names</h1>
<pre><code class="language-cs">using LLama.Common;

namespace LLama.Examples.Examples;

// When using chatsession, it's a common case that you want to strip the role names
// rather than display them. This example shows how to use transforms to strip them.
public class ChatSessionStripRoleName
{
    public static async Task Run()
    {
        string modelPath = UserSettings.GetModelPath();

        var parameters = new ModelParams(modelPath)
        {
            ContextSize = 1024,
            Seed = 1337,
            GpuLayerCount = 5
        };
        using var model = LLamaWeights.LoadFromFile(parameters);
        using var context = model.CreateContext(parameters);
        var executor = new InteractiveExecutor(context);

        var chatHistoryJson = File.ReadAllText(&quot;Assets/chat-with-bob.json&quot;);
        ChatHistory chatHistory = ChatHistory.FromJson(chatHistoryJson) ?? new ChatHistory();

        ChatSession session = new(executor, chatHistory);
        session.WithOutputTransform(new LLamaTransforms.KeywordTextOutputStreamTransform(
            new string[] { &quot;User:&quot;, &quot;Assistant:&quot; },
            redundancyLength: 8));

        InferenceParams inferenceParams = new InferenceParams()
        {
            Temperature = 0.9f,
            AntiPrompts = new List&lt;string&gt; { &quot;User:&quot; }
        };

        Console.ForegroundColor = ConsoleColor.Yellow;
        Console.WriteLine(&quot;The chat session has started.&quot;);

        // show the prompt
        Console.ForegroundColor = ConsoleColor.Green;
        string userInput = Console.ReadLine() ?? &quot;&quot;;

        while (userInput != &quot;exit&quot;)
        {
            await foreach (
                var text
                in session.ChatAsync(
                    new ChatHistory.Message(AuthorRole.User, userInput),
                    inferenceParams))
            {
                Console.ForegroundColor = ConsoleColor.White;
                Console.Write(text);
            }

            Console.ForegroundColor = ConsoleColor.Green;
            userInput = Console.ReadLine() ?? &quot;&quot;;

            Console.ForegroundColor = ConsoleColor.White;
        }
    }
}

</code></pre>


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