# Scenarios for Amazon Cognito Identity Provider using Amazon SDKs
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The following code examples show you how to implement common scenarios in Amazon Cognito Identity Provider with Amazon SDKs. These scenarios show you how to accomplish specific tasks by calling multiple functions within Amazon Cognito Identity Provider or combined with other Amazon Web Services services. Each scenario includes a link to the complete source code, where you can find instructions on how to set up and run the code. 

Scenarios target an intermediate level of experience to help you understand service actions in context.

**Topics**
+ [Automatically confirm known users with a Lambda function](cognito-identity-provider_example_cross_CognitoAutoConfirmUser_section.md)
+ [Automatically migrate known users with a Lambda function](cognito-identity-provider_example_cross_CognitoAutoMigrateUser_section.md)
+ [Getting started with Amazon Cognito user pools](cognito-identity-provider_example_cognito_identity_provider_GettingStarted_066_section.md)
+ [Sign up a user with a user pool that requires MFA](cognito-identity-provider_example_cognito-identity-provider_Scenario_SignUpUserWithMfa_section.md)
+ [Use Amazon Cognito identity pools](cognito-identity-provider_example_cross_CognitoFlows_section.md)
+ [Write custom activity data with a Lambda function after Amazon Cognito user authentication](cognito-identity-provider_example_cross_CognitoCustomActivityLog_section.md)