exports.handler = async (event) => { const coinToss = Math.random()*100 const failureRate = process.env.CHANCE_OF_FAILURE || 50 console.log({coinToss, failureRate}) if ( coinToss < failureRate) { console.error('Error') throw Error("There was an error") } else { return { statusCode: 200, body: JSON.stringify('Hello from Lambda!'), } } }