title: How to get the current user from a Lambda resolver in AWS Amplify (GraphQL api and NodeJS Lambda)?
body: <p>I have a graphql Api and added a lambda function to resolve a mutation.</p>
  <pre><code>type Mutation {
    addTeamMember(email: String!, teamId:ID!): String @function(name: &quot;add-team-member-${env}&quot;)
  }
  </code></pre>
  <p>From the lambda I want to retrieve the authenticated user that sent the request to perform additional validations, ¿How to retrieve it from the request information?</p>
  <p><strong>strong text</strong></p>