LangfuseExporter

new LangfuseExporter(config: LangfuseExporterConfig)

interface LangfuseExporterConfig {
  publicKey?: string;
  secretKey?: string;
  baseUrl?: string;
  realtime?: boolean;
  logLevel?: 'debug' | 'info' | 'warn' | 'error';
  options?: any;
}

async exportEvent(event: AITracingEvent): Promise<void>

async export(spans: ReadOnlyAISpan[]): Promise<void>

async shutdown(): Promise<void>

import { LangfuseExporter } from '@mastra/langfuse';
 
const exporter = new LangfuseExporter({
  publicKey: process.env.LANGFUSE_PUBLIC_KEY,
  secretKey: process.env.LANGFUSE_SECRET_KEY,
  baseUrl: 'https://cloud.langfuse.com',
  realtime: true,
});