Log Levels

from langfuse.decorators import langfuse_context, observe
 
@observe()
def fn():
    langfuse_context.update_current_observation(
        level="WARNING",
        status_message="This is a warning"
    )
 
# outermost function becomes the trace, level and status message are only available on observations
@observe()
def main():
    fn()
 
main()

from langfuse import Langfuse
langfuse = Langfuse()
 
trace = langfuse.trace()
 
# Add an observation (span) with a level and status message
trace.span(
    level="WARNING",
    status_message="This is a warning"
)

import { Langfuse } from "langfuse";
const langfuse = new Langfuse();
 
const trace = langfuse.trace();
 
// Add an observation (span) with a level and status message
trace.span({
  level: "WARNING",
  statusMessage: "This is a warning",
});