# AzureSearch > **Class** in `langchain_azure_ai` 📖 [View in docs](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch) `Azure Cognitive Search` vector store. ## Signature ```python AzureSearch( self, azure_search_endpoint: str, azure_search_key: Optional[str], index_name: str, embedding_function: Union[Callable, Embeddings], search_type: str = 'hybrid', semantic_configuration_name: Optional[str] = None, fields: Optional[List[SearchField]] = None, vector_search: Optional[VectorSearch] = None, semantic_configurations: Optional[Union[SemanticConfiguration, List[SemanticConfiguration]]] = None, scoring_profiles: Optional[List[ScoringProfile]] = None, default_scoring_profile: Optional[str] = None, cors_options: Optional[CorsOptions] = None, *, vector_search_dimensions: Optional[int] = None, additional_search_client_options: Optional[Dict[str, Any]] = None, azure_ad_access_token: Optional[str] = None, azure_credential: Optional[TokenCredential] = None, azure_async_credential: Optional[AsyncTokenCredential] = None, kwargs: Any = {}, ) ``` ## Parameters | Name | Type | Required | Description | |------|------|----------|-------------| | `azure_search_endpoint` | `str` | Yes | The endpoint URL for Azure Cognitive Search. | | `azure_search_key` | `Optional[str]` | Yes | The API key for Azure Cognitive Search. | | `index_name` | `str` | Yes | The name of the index to use. | | `embedding_function` | `Union[Callable, Embeddings]` | Yes | The embedding function or object. | | `search_type` | `str` | No | The type of search to perform (default: "hybrid"). (default: `'hybrid'`) | | `semantic_configuration_name` | `Optional[str]` | No | Optional semantic configuration name. (default: `None`) | | `fields` | `Optional[List[SearchField]]` | No | Optional list of search fields. (default: `None`) | | `vector_search` | `Optional[VectorSearch]` | No | Optional vector search configuration. (default: `None`) | | `semantic_configurations` | `Optional[Union[SemanticConfiguration, List[SemanticConfiguration]]]` | No | Optional semantic configurations. (default: `None`) | | `scoring_profiles` | `Optional[List[ScoringProfile]]` | No | Optional scoring profiles. (default: `None`) | | `default_scoring_profile` | `Optional[str]` | No | Optional default scoring profile. (default: `None`) | | `cors_options` | `Optional[CorsOptions]` | No | Optional CORS options. (default: `None`) | | `vector_search_dimensions` | `Optional[int]` | No | Optional vector search dimensions. (default: `None`) | | `additional_search_client_options` | `Optional[Dict[str, Any]]` | No | Additional options for the search client. (default: `None`) | | `azure_ad_access_token` | `Optional[str]` | No | Optional Azure AD access token. (default: `None`) | | `azure_credential` | `Optional[TokenCredential]` | No | Optional Azure credential. (default: `None`) | | `azure_async_credential` | `Optional[AsyncTokenCredential]` | No | Optional async Azure credential. (default: `None`) | | `**kwargs` | `Any` | No | Additional keyword arguments. (default: `{}`) | ## Extends - `VectorStore` ## Constructors ```python __init__( self, azure_search_endpoint: str, azure_search_key: Optional[str], index_name: str, embedding_function: Union[Callable, Embeddings], search_type: str = 'hybrid', semantic_configuration_name: Optional[str] = None, fields: Optional[List[SearchField]] = None, vector_search: Optional[VectorSearch] = None, semantic_configurations: Optional[Union[SemanticConfiguration, List[SemanticConfiguration]]] = None, scoring_profiles: Optional[List[ScoringProfile]] = None, default_scoring_profile: Optional[str] = None, cors_options: Optional[CorsOptions] = None, *, vector_search_dimensions: Optional[int] = None, additional_search_client_options: Optional[Dict[str, Any]] = None, azure_ad_access_token: Optional[str] = None, azure_credential: Optional[TokenCredential] = None, azure_async_credential: Optional[AsyncTokenCredential] = None, kwargs: Any = {}, ) ``` | Name | Type | |------|------| | `azure_search_endpoint` | `str` | | `azure_search_key` | `Optional[str]` | | `index_name` | `str` | | `embedding_function` | `Union[Callable, Embeddings]` | | `search_type` | `str` | | `semantic_configuration_name` | `Optional[str]` | | `fields` | `Optional[List[SearchField]]` | | `vector_search` | `Optional[VectorSearch]` | | `semantic_configurations` | `Optional[Union[SemanticConfiguration, List[SemanticConfiguration]]]` | | `scoring_profiles` | `Optional[List[ScoringProfile]]` | | `default_scoring_profile` | `Optional[str]` | | `cors_options` | `Optional[CorsOptions]` | | `vector_search_dimensions` | `Optional[int]` | | `additional_search_client_options` | `Optional[Dict[str, Any]]` | | `azure_ad_access_token` | `Optional[str]` | | `azure_credential` | `Optional[TokenCredential]` | | `azure_async_credential` | `Optional[AsyncTokenCredential]` | | `kwargs` | `Any` | ## Properties - `client` - `async_client` - `embedding_function` - `embed_query` - `search_type` - `semantic_configuration_name` - `fields` - `embeddings` ## Methods - [`add_texts()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/add_texts) - [`aadd_texts()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/aadd_texts) - [`add_embeddings()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/add_embeddings) - [`aadd_embeddings()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/aadd_embeddings) - [`delete()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/delete) - [`adelete()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/adelete) - [`similarity_search()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/similarity_search) - [`similarity_search_with_score()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/similarity_search_with_score) - [`asimilarity_search()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/asimilarity_search) - [`asimilarity_search_with_score()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/asimilarity_search_with_score) - [`similarity_search_with_relevance_scores()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/similarity_search_with_relevance_scores) - [`asimilarity_search_with_relevance_scores()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/asimilarity_search_with_relevance_scores) - [`vector_search()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/vector_search) - [`avector_search()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/avector_search) - [`vector_search_with_score()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/vector_search_with_score) - [`avector_search_with_score()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/avector_search_with_score) - [`max_marginal_relevance_search_with_score()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/max_marginal_relevance_search_with_score) - [`amax_marginal_relevance_search_with_score()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/amax_marginal_relevance_search_with_score) - [`hybrid_search()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/hybrid_search) - [`ahybrid_search()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/ahybrid_search) - [`hybrid_search_with_score()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/hybrid_search_with_score) - [`ahybrid_search_with_score()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/ahybrid_search_with_score) - [`hybrid_search_with_relevance_scores()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/hybrid_search_with_relevance_scores) - [`ahybrid_search_with_relevance_scores()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/ahybrid_search_with_relevance_scores) - [`hybrid_max_marginal_relevance_search_with_score()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/hybrid_max_marginal_relevance_search_with_score) - [`ahybrid_max_marginal_relevance_search_with_score()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/ahybrid_max_marginal_relevance_search_with_score) - [`semantic_hybrid_search()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/semantic_hybrid_search) - [`asemantic_hybrid_search()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/asemantic_hybrid_search) - [`semantic_hybrid_search_with_score()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/semantic_hybrid_search_with_score) - [`asemantic_hybrid_search_with_score()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/asemantic_hybrid_search_with_score) - [`semantic_hybrid_search_with_score_and_rerank()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/semantic_hybrid_search_with_score_and_rerank) - [`asemantic_hybrid_search_with_score_and_rerank()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/asemantic_hybrid_search_with_score_and_rerank) - [`from_texts()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/from_texts) - [`afrom_texts()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/afrom_texts) - [`afrom_embeddings()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/afrom_embeddings) - [`from_embeddings()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/from_embeddings) - [`as_retriever()`](https://reference.langchain.com/python/langchain-azure-ai/vectorstores/azuresearch/AzureSearch/as_retriever) --- [View source on GitHub](https://github.com/langchain-ai/langchain-azure/blob/7a6a664d617264df8dcb12fcfb1bacc09f21d504/libs/azure-ai/langchain_azure_ai/vectorstores/azuresearch.py#L284)