get_from_dict_or_env#
- langchain_core.utils.env.get_from_dict_or_env(data: Dict[str, Any], key: str | List[str], env_key: str, default: str | None = None) str [source]#
Get a value from a dictionary or an environment variable.
- Parameters:
data (Dict[str, Any]) – The dictionary to look up the key in.
key (str | List[str]) – The key to look up in the dictionary. This can be a list of keys to try in order.
env_key (str) – The environment variable to look up if the key is not in the dictionary.
default (str | None) – The default value to return if the key is not in the dictionary or the environment. Defaults to None.
- Return type:
str