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lambda-trigger-custom-message-admin-create-user.js

A custom message Lambda function with the CustomMessage_AdminCreateUser trigger returns a user name and verification code and so include both request.usernameParameter and request.codeParameter in the message body.

// Copyright 2010-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. // // This file is licensed under the Apache License, Version 2.0 (the "License"). // You may not use this file except in compliance with the License. A copy of // the License is located at // // http://aws.amazon.com/apache2.0/ // // This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR // CONDITIONS OF ANY KIND, either express or implied. See the License for the // specific language governing permissions and limitations under the License. exports.handler = (event, context, callback) => { // if(event.userPoolId === "theSpecialUserPool") { // Identify why was this function invoked if(event.triggerSource === "CustomMessage_AdminCreateUser") { // Ensure that your message contains event.request.codeParameter event.request.usernameParameter. This is the placeholder for the code and username that will be sent to your user. event.response.smsMessage = "Welcome to the service. Your user name is " + event.request.usernameParameter + " Your temporary password is " + event.request.codeParameter; event.response.emailSubject = "Welcome to the service"; event.response.emailMessage = "Welcome to the service. Your user name is " + event.request.usernameParameter + " Your temporary password is " + event.request.codeParameter; } // Create custom message for other events } // Customize messages for other user pools // Return to Amazon Cognito callback(null, event); };

Sample Details

Service: cognito-idp

Last tested: 2019-01-30

Author: AWS

Type: full-example

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