I used Lamdba and installed IAM and Cognito and got the identifier and token. I am confused in the next steps. The user logs into Cognito after logging in. But how can I get them to log in, for example, by updating the token when the application loads? And how can I query DynamoDB using only authenticated users? The documentation is vague. Also use federated identifiers and my own OpenID developer authentication process written in lambda.
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