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ExpandRequest(String) Constructor

corelibraries-devexpress-dot-aiintegration-dot-extensions-dot-expandrequest-dot-ctor-x28-system-dot-string-x29.md

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ExpandRequest(String) Constructor

Initializes a new instance of the ExpandRequest class with specified settings.

Namespace : DevExpress.AIIntegration.Extensions

Assembly : DevExpress.AIIntegration.v25.2.dll

NuGet Package : DevExpress.AIIntegration

Declaration

csharp
public ExpandRequest(
    string text
)
vb
Public Sub New(
    text As String
)

Parameters

NameTypeDescription
textString

The text to be managed. This value is assigned to the Text property.

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Remarks

The following example registers an Azure OpenAI client and uses the AI-powered extension to enrich the originalText with additional information:

csharp
using Azure;
using Azure.AI.OpenAI;
using Microsoft.Extensions.AI;
using DevExpress.AIIntegration;
using DevExpress.AIIntegration.Extensions;

SetEnvironmentVariables();

// Register an Azure OpenAI client
AIExtensionsContainerDefault defaultAIExtensionsContainer = RegisterAzureOpenAIClient(
    Environment.GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT"),
    Environment.GetEnvironmentVariable("AZURE_OPENAI_APIKEY")
);

string originalText = "The AI-powered expand extension enriches your text with additional information or in-depth explanations.";
var response = await defaultAIExtensionsContainer.ExpandAsync(
    new ExpandRequest(originalText)
);

Console.WriteLine(response);

AIExtensionsContainerDefault RegisterAzureOpenAIClient(string azureOpenAIEndpoint, string azureOpenAIKey) {
    IChatClient client = new Azure.AI.OpenAI.AzureOpenAIClient(new Uri(azureOpenAIEndpoint),
        new System.ClientModel.ApiKeyCredential(azureOpenAIKey)).GetChatClient("gpt-4o-mini").AsIChatClient();

    return AIExtensionsContainerConsole.CreateDefaultAIExtensionContainer(client);
}

void SetEnvironmentVariables() {
    Environment.SetEnvironmentVariable("AZURE_OPENAI_ENDPOINT", {SPECIFY_YOUR_AZURE_ENDPOINT});
    Environment.SetEnvironmentVariable("AZURE_OPENAI_APIKEY", {SPECIFY_YOU_AZURE_KEY});
}

See Also

ExpandRequest Class

ExpandRequest Members

DevExpress.AIIntegration.Extensions Namespace