sampleenv.txt

LANGCHAIN_API_KEY="yourlangcahinkey"
LANGCHAIN_TRACING_V2=true
LANGCHAIN_ENDPOINT="https://api.smith.langchain.com" 
LANGCHAIN_PROJECT="anyname"
GROQ_API_KEY="your key and also line 3 is a cool langchain dashboard click it while the app is runnign, also copy this txt fie and put ur credentiatls and save as ".env""