Gets the user attributes and metadata for a user.Show details from next link. https://docs.aws.amazon.com/ja_jp/cli/latest/reference/cognito-idp/get-user.html
| aws cognito-idp get-user --access-token Y |
| amazon web services - How to get a custom property with Cognito Idp and the javascript SDK? - Stack Overflow : http://stackoverflow.com/questions/41990705/how-to-get-a-custom-property-with-cognito-idp-and-the-javascript-sdk |