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chore: import upstream snapshot with attribution
2026-07-13 13:21:23 +08:00

52 lines
1.9 KiB
C#

// Copyright (c) Microsoft. All rights reserved.
using Microsoft.SemanticKernel;
using Microsoft.SemanticKernel.PromptTemplates.Handlebars;
namespace PromptTemplates;
// This example shows how to use chat completion handlebars template prompts with base64 encoded images as a parameter.
public class HandlebarsVisionPrompts(ITestOutputHelper output) : BaseTest(output)
{
[Fact]
public async Task RunAsync()
{
const string HandlebarsTemplate = """
<message role="system">You are an AI assistant designed to help with image recognition tasks.</message>
<message role="user">
<text>{{request}}</text>
<image>{{imageData}}</image>
</message>
""";
var kernel = Kernel.CreateBuilder()
.AddOpenAIChatCompletion(
modelId: TestConfiguration.OpenAI.ChatModelId,
apiKey: TestConfiguration.OpenAI.ApiKey)
.Build();
var templateFactory = new HandlebarsPromptTemplateFactory();
var promptTemplateConfig = new PromptTemplateConfig()
{
Template = HandlebarsTemplate,
TemplateFormat = "handlebars",
Name = "Vision_Chat_Prompt",
};
var function = kernel.CreateFunctionFromPrompt(promptTemplateConfig, templateFactory);
var arguments = new KernelArguments(new Dictionary<string, object?>
{
{"request","Describe this image:"},
{"imageData", "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAYAAACNMs+9AAAAAXNSR0IArs4c6QAAACVJREFUKFNj/KTO/J+BCMA4iBUyQX1A0I10VAizCj1oMdyISyEAFoQbHwTcuS8AAAAASUVORK5CYII="}
});
var response = await kernel.InvokeAsync(function, arguments);
Console.WriteLine(response);
/*
Output:
The image is a solid block of bright red color. There are no additional features, shapes, or textures present.
*/
}
}