JavaScript: AWS Amplify: Retrieving the User ID (Sub ID) Following User Registration. Post Registration, Not to Be Confused with Sign In

Currently, I am utilizing the authentication module from AWS Amplify. One question that has been on my mind is how to obtain the userID once a user signs up.

While it is possible to retrieve the ID after a user signs in, I am specifically interested in retrieving the userID during the signUp process in order to update my model before logging in.

Unfortunately, I have not come across the userID in my signUp response. This has led me to wonder if there are any alternative solutions or workarounds available?

javascriptreactjsaws-amplify

Answer №1

The unique identifier, known as the Id, can be found within the userSub section of the response, specifically accessed through result.userSub.

By utilizing the Auth.signUp method with provided parameters such as username, password, and attributes, you can obtain a result object containing important user details. Here's an example of how to access the userSub attribute from the result:

Referring to a previous comment, here is the output returned by the signUp function:

{
    user: CognitoUser;
    userConfirmed: boolean;
    userSub: string;
}

For more information on this topic, please visit the following source link:

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