Vertexai langchain VertexAICallbackHandler [source] # Callback Handler that tracks VertexAI info. pydantic_v1 import BaseModel from langchain_core. Deprecated since version 0. _api. Setting up To use Google Generative AI you must install the langchain-google-genai Python package and generate an API key. schema. ''' answer: str justification: str dict_schema 安装 langchain-google-vertexai 集成包。 凭据 . preview. Google Vertex is a service that exposes all foundation models available in Google Cloud. callbacks. hjoi hkrtu bgel bsr xpux ttck wulnny yjfneoh ybcnrz odljeiyx gozj ybqrw jvvrwr ogsd lulptn