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docs: add count message tokens example to README.md

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Stevan Freeborn
2025-01-02 20:52:52 -06:00
parent 57f66d3619
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@@ -105,9 +105,38 @@ The primary use case for working with the Anthropic API is to create a message i
> [!NOTE]
> The following examples assume that you have already created an instance of the `AnthropicApiClient` class named `client`. You can also find these snippets in the examples directory.
### Count Message Tokens
The `AnthropicApiClient` exposes a method named `CountMessageTokensAsync` that can be used to count the number of tokens in a message. The method requires a `CountMessageTokensRequest` instance as a parameter.
```csharp
using AnthropicClient;
using AnthropicClient.Models;
var response = await client.CountMessageTokensAsync(new CountMessageTokensRequest(
AnthropicModels.Claude3Haiku,
[
new(
MessageRole.User,
[new TextContent("Please write a haiku about the ocean.")]
)
]
));
if (response.IsFailure)
{
Console.WriteLine("Failed to count message tokens");
Console.WriteLine("Error Type: {0}", response.Error.Error.Type);
Console.WriteLine("Error Message: {0}", response.Error.Error.Message);
return;
}
Console.WriteLine("Token Count: {0}", response.Value.InputTokens);
```
### Create a message
The `AnthropicApiClient` exposes a single method named `CreateMessageAsync` that can be used to create a message. The method requires a `MessageRequest` or a `StreamMessageRequest` instance as a parameter. The `MessageRequest` class is used to create a message whose response is not streamed and the `StreamMessageRequest` class is used to create a message whose response is streamed. The `MessageRequest` instance's properties can be set to configure how the message is created.
The `AnthropicApiClient` exposes a method named `CreateMessageAsync` that can be used to create a message. The method requires a `MessageRequest` or a `StreamMessageRequest` instance as a parameter. The `MessageRequest` class is used to create a message whose response is not streamed and the `StreamMessageRequest` class is used to create a message whose response is streamed. The `MessageRequest` instance's properties can be set to configure how the message is created.
#### Non-Streaming