# (可选但推荐)设置您想要发送 traces 的项目名称,例如 'my-awesome-project' # To separate your traces from other application LANGSMITH_PROJECT=new-agent # Add API keys for connecting to LLM providers, data sources, and other integrations here LANGSMITH_API_KEY=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 # 通常还需要设置 LangChain 的跟踪端点,默认就是以下地址,通常无需修改 LANGCHAIN_TRACING_V2=true