azure-search-documents-dotnet

# Azure.Search.Documents (.NET) Build search applications with full-text, vector, semantic, and hybrid search capabilities. ## Installation ```bash dotnet add package Azure.Search.Documents dotnet add package Azure.Identity ``` **Current Versions**: Stable v11.7.0, Preview v11.8.0-beta.1 ## Environment Variables ```bash SEARCH_ENDPOINT=https://<search-service>.search.windows.net SEARCH_INDEX_NAME=<index-name> # For API key auth (not recommended for production) SEARCH_API_KEY=<api-key> ``` ## Authentication **DefaultAzureCredential (preferred)**: ```csharp using Azure.Identity; using Azure.Search.Documents; var credential = new DefaultAzureCredential(); var client = new SearchClient( new Uri(Environment.GetEnvironmentVariable("SEARCH_ENDPOINT")), Environment.GetEnvironmentVariable("SEARCH_INDEX_NAME"), credential); ``` **API Key**: ```csharp using Azure; using Azure.Search.Documents; var credential = new AzureKeyCredential( Environment.GetEnvironmentVariable("SEARCH_API_KEY")); var client = new SearchClient( new Uri(Environment.GetEnvironmentVariable("SEARCH_ENDPOINT")), Environment.GetEnvironmentVariable("SEARCH_INDEX_NAME"), credential); ``` ## Client Selection | Client | Purpose | |--------|---------| | `SearchClient` | Query indexes, upload/update/delete documents | | `SearchIndexClient` | Create/manage indexes, synonym maps | | `SearchIndexerClient` | Manage indexers, skillsets, data sources | ## Index Creation ### Using FieldBui...