Delphi DLL

AI Ask with Multiple Tool Function Callbacks

See more AI Examples

This example demonstrates asking a two-part question that should cause the AI to respond with two tool call requests. Delphi DLL

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Ai, StringBuilder;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
sbJs: HCkStringBuilder;
ai: HCkAi;
evalOnly: Boolean;
allowAllKeyword: Boolean;
conversation_name: PWideChar;
sysMessage: PWideChar;
devMessage: PWideChar;
sbResponse: HCkStringBuilder;

begin
success := False;

// ----------------------------------------------------------------------------------
// The Javascript file loaded here is shown at the bottom of this page.
// -----------------------------------------------------------------------------------

// Load JavaScript containing the tool functions.
sbJs := CkStringBuilder_Create();
success := CkStringBuilder_LoadFile(sbJs,'qa_data/js_tools/toolset_6.js','utf-8');
if (success = False) then
  begin
    Memo1.Lines.Add(CkStringBuilder__lastErrorText(sbJs));
    Exit;
  end;

ai := CkAi_Create();

// Register the tools that will be made available to the AI.
evalOnly := False;
allowAllKeyword := True;
CkAi_RegisterJsTools(ai,sbJs,evalOnly,allowAllKeyword);

// The provider can be "openai", "google", "claude", "grok", "mistral", "custom", etc.
CkAi_putProvider(ai,'openai');
// Use your provider's API key.
CkAi_putApiKey(ai,'MY_API_KEY');
// Choose a model.
CkAi_putModel(ai,'gpt-5-mini');

// Tool function calling must always occur within a conversation.
conversation_name := 'example_convo';
sysMessage := 'You are a helpful assistant';
devMessage := 'Respond with markdown';
CkAi_NewConvo(ai,conversation_name,sysMessage,devMessage);

// Provide inputs
CkAi_InputAddText(ai,'What is my horoscope? I am an Aquarius.  Also, what''s the weather in Chicago?');

// Send inputs, tool functions, etc. and ask for a "text" response.
// If the AI responds with tool calls, Chilkat automatically handles them by calling your JavaScript
// tool functions as directed by the AI, and sending results back to the AI until the final
// response is received.
success := CkAi_Ask(ai,'text');
if (success = False) then
  begin
    Memo1.Lines.Add(CkAi__lastErrorText(ai));
    Exit;
  end;

// Get the AI response.
sbResponse := CkStringBuilder_Create();
CkAi_GetOutputTextSb(ai,sbResponse);
Memo1.Lines.Add(CkStringBuilder__getAsString(sbResponse));

CkStringBuilder_Dispose(sbJs);
CkAi_Dispose(ai);
CkStringBuilder_Dispose(sbResponse);

end;