Initiates the authentication flow.Show details from next link. https://docs.aws.amazon.com/ja_jp/cli/latest/reference/cognito-idp/initiate-auth.html
| aws cognito-idp initiate-auth \ |
| GitHub - VEBERArnaudPlayground/AWSCognitoUserPoolTest: AWS Cognito User-Pool Test : http://github.com/VEBERArnaudPlayground/AWSCognitoUserPoolTest |
| aws cognito-idp initiate-auth --client-id CLIENTID --auth-flow USER_PASSWORD_AUTH --auth-parameters USERNAME=me |
| shell - How to change password of AWS Cognito User? - Stack Overflow : http://stackoverflow.com/questions/46323854/how-to-change-password-of-aws-cognito-user |