public async Task GenerateContentWithResponseSchema3()

in aiplatform/api/AIPlatform.Samples/ControlledGeneration.cs [193:265]
66 lines of code
1 McCabe index (conditional complexity)

    public async Task<string> GenerateContentWithResponseSchema3(
        string projectId = "your-project-id",
        string location = "us-central1",
        string publisher = "google",
        string model = "gemini-2.0-flash-001")
    {

        var predictionServiceClient = new PredictionServiceClientBuilder
        {
            Endpoint = $"{location}-aiplatform.googleapis.com"
        }.Build();

        var responseSchema = new OpenApiSchema
        {
            Type = Type.Object,
            Properties =
            {
                ["forecast"] = new()
                {
                    Type = Type.Array,
                    Items = new()
                    {
                        Type = Type.Object,
                        Properties =
                        {
                            ["Forecast"] = new() { Type = Type.String },
                            ["Humidity"] = new() { Type = Type.String },
                            ["Temperature"] = new() { Type = Type.Integer },
                            ["Wind Speed"] = new() { Type = Type.Integer }
                        }
                    }
                }
            }
        };

        string prompt = @"
        The week ahead brings a mix of weather conditions.
        Sunday is expected to be sunny with a temperature of 77°F and a humidity level of 50%. Winds will be light at around 10 km/h.
        Monday will see partly cloudy skies with a slightly cooler temperature of 72°F and humidity increasing to 55%. Winds will pick up slightly to around 15 km/h.
        Tuesday brings rain showers, with temperatures dropping to 64°F and humidity rising to 70%. Expect stronger winds at 20 km/h.
        Wednesday may see thunderstorms, with a temperature of 68°F and high humidity of 75%. Winds will be gusty at 25 km/h.
        Thursday will be cloudy with a temperature of 66°F and moderate humidity at 60%. Winds will ease slightly to 18 km/h.
        Friday returns to partly cloudy conditions, with a temperature of 73°F and lower humidity at 45%. Winds will be light at 12 km/h.
        Finally, Saturday rounds off the week with sunny skies, a temperature of 80°F, and a humidity level of 40%. Winds will be gentle at 8 km/h.";

        var generateContentRequest = new GenerateContentRequest
        {
            Model = $"projects/{projectId}/locations/{location}/publishers/{publisher}/models/{model}",
            Contents =
            {
                new Content
                {
                    Role = "USER",
                    Parts =
                    {
                        new Part { Text = prompt }
                    }
                }
            },
            GenerationConfig = new GenerationConfig
            {
                ResponseMimeType = "application/json",
                ResponseSchema = responseSchema
            },
        };

        GenerateContentResponse response = await predictionServiceClient.GenerateContentAsync(generateContentRequest);

        string responseText = response.Candidates[0].Content.Parts[0].Text;
        Console.WriteLine(responseText);

        return responseText;
    }