Extract Key Phrases using Text Analytics

ExtractKeyPhrases.cs

//Add reference of Azure.AI.TextAnalytics
using Azure;
using Azure.AI.TextAnalytics;
using Microsoft.Azure.CognitiveServices.Search.NewsSearch.Models;

public static async Task<string> GetKeywords(string text)
{
    var client = new TextAnalyticsClient(Endpoint, Credentials);
    var response = await client.ExtractKeyPhrasesAsync(text);
    var tags = new List<string>();
    if (response.Value?.Count >= 1)
    {
        foreach (var keyphrase in response.Value)
        {
            var tag = keyphrase.Replace(" ", "").Replace("-", "_");
            tags.Add($"#{tag}");
        }
    }

    return string.Join(" ", tags);
}