:mod:`langchain.callbacks.base`.BaseCallbackManager
==========================================================

.. currentmodule:: langchain.callbacks.base

.. autoclass:: BaseCallbackManager

   
   
   .. rubric:: Methods

   .. autosummary::
   
      ~BaseCallbackManager.__init__
      ~BaseCallbackManager.add_handler
      ~BaseCallbackManager.add_metadata
      ~BaseCallbackManager.add_tags
      ~BaseCallbackManager.on_chain_start
      ~BaseCallbackManager.on_chat_model_start
      ~BaseCallbackManager.on_llm_start
      ~BaseCallbackManager.on_retriever_start
      ~BaseCallbackManager.on_tool_start
      ~BaseCallbackManager.remove_handler
      ~BaseCallbackManager.remove_metadata
      ~BaseCallbackManager.remove_tags
      ~BaseCallbackManager.set_handler
      ~BaseCallbackManager.set_handlers
   
   

   
   
   .. rubric:: Attributes

   .. autosummary::
   
      ~BaseCallbackManager.is_async
   
   

.. example_links:: BaseCallbackManager