openai/openai-dotnet
Publicmirrored from https://github.com/openai/openai-dotnetAvailable
examples/Responses/Example03_FunctionCallingAsync.cs
98lines · modecode
| 1 | using NUnit.Framework; |
| 2 | using OpenAI.Responses; |
| 3 | using System; |
| 4 | using System.Collections.Generic; |
| 5 | using System.Linq; |
| 6 | using System.Text.Json; |
| 7 | using System.Threading.Tasks; |
| 8 | |
| 9 | namespace OpenAI.Examples; |
| 10 | |
| 11 | // This example uses experimental APIs which are subject to change. To use experimental APIs, |
| 12 | // please acknowledge their experimental status by suppressing the corresponding warning. |
| 13 | #pragma warning disable OPENAI001 |
| 14 | |
| 15 | public partial class ResponseExamples |
| 16 | { |
| 17 | // See Example03_FunctionCalling.cs for the tool and function definitions. |
| 18 | |
| 19 | [Test] |
| 20 | public async Task Example03_FunctionCallingAsync() |
| 21 | { |
| 22 | OpenAIResponseClient client = new("gpt-5", Environment.GetEnvironmentVariable("OPENAI_API_KEY")); |
| 23 | |
| 24 | List<ResponseItem> inputItems = |
| 25 | [ |
| 26 | ResponseItem.CreateUserMessageItem("What's the weather like today for my current location?"), |
| 27 | ]; |
| 28 | |
| 29 | ResponseCreationOptions options = new() |
| 30 | { |
| 31 | Tools = { getCurrentLocationTool, getCurrentWeatherTool }, |
| 32 | }; |
| 33 | |
| 34 | PrintMessageItems(inputItems.OfType<MessageResponseItem>()); |
| 35 | |
| 36 | bool requiresAction; |
| 37 | |
| 38 | do |
| 39 | { |
| 40 | requiresAction = false; |
| 41 | OpenAIResponse response = await client.CreateResponseAsync(inputItems, options); |
| 42 | |
| 43 | inputItems.AddRange(response.OutputItems); |
| 44 | |
| 45 | foreach (ResponseItem outputItem in response.OutputItems) |
| 46 | { |
| 47 | if (outputItem is FunctionCallResponseItem functionCall) |
| 48 | { |
| 49 | switch (functionCall.FunctionName) |
| 50 | { |
| 51 | case nameof(GetCurrentLocation): |
| 52 | { |
| 53 | string functionOutput = GetCurrentLocation(); |
| 54 | inputItems.Add(new FunctionCallOutputResponseItem(functionCall.CallId, functionOutput)); |
| 55 | break; |
| 56 | } |
| 57 | |
| 58 | case nameof(GetCurrentWeather): |
| 59 | { |
| 60 | // The arguments that the model wants to use to call the function are specified as a |
| 61 | // stringified JSON object based on the schema defined in the tool definition. Note that |
| 62 | // the model may hallucinate arguments too. Consequently, it is important to do the |
| 63 | // appropriate parsing and validation before calling the function. |
| 64 | using JsonDocument argumentsJson = JsonDocument.Parse(functionCall.FunctionArguments); |
| 65 | bool hasLocation = argumentsJson.RootElement.TryGetProperty("location", out JsonElement location); |
| 66 | bool hasUnit = argumentsJson.RootElement.TryGetProperty("unit", out JsonElement unit); |
| 67 | |
| 68 | if (!hasLocation) |
| 69 | { |
| 70 | throw new ArgumentNullException(nameof(location), "The location argument is required."); |
| 71 | } |
| 72 | |
| 73 | string functionOutput = hasUnit |
| 74 | ? GetCurrentWeather(location.GetString(), unit.GetString()) |
| 75 | : GetCurrentWeather(location.GetString()); |
| 76 | inputItems.Add(new FunctionCallOutputResponseItem(functionCall.CallId, functionOutput)); |
| 77 | break; |
| 78 | } |
| 79 | |
| 80 | default: |
| 81 | { |
| 82 | // Handle other unexpected calls. |
| 83 | throw new NotImplementedException(); |
| 84 | } |
| 85 | } |
| 86 | |
| 87 | requiresAction = true; |
| 88 | break; |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | PrintMessageItems(response.OutputItems.OfType<MessageResponseItem>()); |
| 93 | |
| 94 | } while (requiresAction); |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | #pragma warning restore OPENAI001 |