Invoking prompt templates in Semantic Kernal

using Microsoft.SemanticKernel;

// Populate values from your OpenAI deployment

var modelId = "";

var endpoint = "";

var apiKey = "";

// Create a kernel with Azure OpenAI chat completion

var builder = Kernel.CreateBuilder().AddAzureOpenAIChatCompletion(modelId, endpoint, apiKey);

// Build the kernel

Kernel kernel = builder.Build();

string city = "Rome";

var prompt = "I'm visiting {{$city}}. What are some activities I should do today?";

var activitiesFunction = kernel.CreateFunctionFromPrompt(prompt);

var arguments = new KernelArguments { ["city"] = city };

// InvokeAsync on the KernelFunction object

var result = await activitiesFunction.InvokeAsync(kernel, arguments);

Console.WriteLine(result);

// InvokeAsync on the kernel object

result = await kernel.InvokeAsync(activitiesFunction, arguments);

Console.WriteLine(result);