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You can configure the AWS Command Line Interface to use a role by creating a profile for the role in the ~/.aws/config file. The following example shows a role profile named marketingadmin that is assumed by the default profile.

[profile marketingadmin]
role_arn = arn:aws:iam::123456789012:role/marketingadmin
source_profile = default

In this case, the default profile is an IAM user with credentials and permission to assume a role named marketingadmin. To access the role, you create a named profile. Instead of configuring this profile with credentials, you specify the ARN of the role and the name of the profile that has access to it.

Via aws.amazon.com .