Sample code for 30+ languages & platforms
C#

Prove Stateful Multi-Turn Conversation

See more AI Examples

This example is to prove that the 2nd request in a conversation is part of a stateful multi-turn conversation. The 2nd request asks for information provided in the 1st request.

Chilkat C# Downloads

C#
bool success = false;

//  This example assumes the Chilkat API to have been previously unlocked.
//  See Global Unlock Sample for sample code.

Chilkat.Ai ai = new Chilkat.Ai();

//  The provider can be "openai", "google", "claude", "deepseek", "xai", or "perplexity".
//  Support for additional providers will be added in future versions of Chilkat.
ai.Provider = "google";

//  Use your provider's API key.
ai.ApiKey = "MY_API_KEY";

//  Choose a model.
ai.Model = "gemini-2.5-flash";

//  Create a new conversation to be maintained locally in memory.
//  If the conversation is the first to be created, it is also automatically selected.
string systemMsg = "You are a helpful assistant";
string developerMsg = "";
string conversationName = "test_conversation";
ai.NewConvo(conversationName,systemMsg,developerMsg);

//  -------------------------------------------------------------------------------------------
//  Our first request will establish a secret that we'll ask for in the 2nd request.
//  Add a text input.
ai.InputAddText("Please remember this: The word I'll ask for later is BlubberFish.  What's the word?");

//  Ask the AI for text output.
success = ai.Ask("text");
if (success == false) {
    Debug.WriteLine(ai.LastErrorText);
    return;
}

//  Note: The inputs accumulated through one or more calls to Input* methods are cleared when the Ask method returns with success.

//  Get the text response.
Chilkat.StringBuilder sbResponse = new Chilkat.StringBuilder();
ai.GetOutputTextSb(sbResponse);
Debug.WriteLine(sbResponse.GetAsString());
Debug.WriteLine("----");

//  Sample output:

//  The word is **BlubberFish**.

//  -------------------------------------------------------------------------------------------
//  Let's ask for the word. If this is a stateful conversation, the AI should respond correctly.
ai.InputAddText("OK, I'm going to ask you again, what's the word?");
success = ai.Ask("text");
if (success == false) {
    Debug.WriteLine(ai.LastErrorText);
    return;
}

//  Get the text response.
sbResponse.Clear();
ai.GetOutputTextSb(sbResponse);
Debug.WriteLine(sbResponse.GetAsString());

//  Sample output:

//  The word is **BlubberFish**.

//  -------------------------------------------------------------------------------------------
//  Look at the conversation so far...
//  
Chilkat.JsonObject json = new Chilkat.JsonObject();
ai.ExportConvo(conversationName,json);
json.EmitCompact = false;
Debug.WriteLine(json.Emit());

//  Note: The conversation transcript format exported and imported by Chilkat is always the OpenAI format,
//  regardless of the AI provider.  (Chilkat translates the format from OpenAI to whatever is needed by the actual AI provider being used.)

//  {
//    "input": [
//      {
//        "role": "system",
//        "content": [
//          {
//            "type": "input_text",
//            "text": "You are a helpful assistant"
//          }
//        ]
//      },
//      {
//        "role": "user",
//        "content": [
//          {
//            "type": "input_text",
//            "text": "Please remember this: The word I'll ask for later is BlubberFish.  What's the word?"
//          }
//        ]
//      },
//      {
//        "role": "assistant",
//        "content": [
//          {
//            "type": "output_text",
//            "text": "The word is **BlubberFish**."
//          }
//        ]
//      },
//      {
//        "role": "user",
//        "content": [
//          {
//            "type": "input_text",
//            "text": "OK, I'm going to ask you again, what's the word?"
//          }
//        ]
//      },
//      {
//        "role": "assistant",
//        "content": [
//          {
//            "type": "output_text",
//            "text": "The word is **BlubberFish**."
//          }
//        ]
//      }
//    ]
//  }

//  -------------------------------------------------------------------------------------------
//  If we unselect the conversation, so that no conversation is selected,
//  then the same query results in the AI not knowing the word.

ai.SelectedConvo = "";

ai.InputAddText("OK, I'm going to ask you again, what's the word?");
success = ai.Ask("text");
if (success == false) {
    Debug.WriteLine(ai.LastErrorText);
    return;
}

//  Get the text response.
sbResponse.Clear();
ai.GetOutputTextSb(sbResponse);
Debug.WriteLine(sbResponse.GetAsString());

//  Sample output:

//  I apologize, but I don't have the context of our previous interaction or what "the word" you're referring to might be.
//  Could you please remind me or provide the clue again? I'm ready to help you figure it out!