name : create-user-pool-domain.rst **Example 1: To create a user pool domain** The following ``create-user-pool-domain`` example creates a new custom domain. :: aws cognito-idp create-user-pool-domain \ --user-pool-id us-west-2_EXAMPLE \ --domain auth.example.com \ --custom-domain-config CertificateArn=arn:aws:acm:us-east-1:123456789012:certificate/a1b2c3d4-5678-90ab-cdef-EXAMPLE22222 Output:: { "CloudFrontDomain": "example1domain.cloudfront.net" } For more information, see `Configuring a user pool domain <https://docs.aws.amazon.com/cognito/latest/developerguide/cognito-user-pools-assign-domain.html>`__ in the *Amazon Cognito Developer Guide*. **Example 2: To create a user pool domain** The following ``create-user-pool-domain`` example creates a new domain with a service-owned prefix. :: aws cognito-idp create-user-pool-domain \ --user-pool-id us-west-2_EXAMPLE2 \ --domain mydomainprefix For more information, see `Configuring a user pool domain <https://docs.aws.amazon.com/cognito/latest/developerguide/cognito-user-pools-assign-domain.html>`__ in the *Amazon Cognito Developer Guide*.