Use UpdateRoleDescription with a CLI - Amazon Identity and Access Management
Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).

Use UpdateRoleDescription with a CLI

The following code examples show how to use UpdateRoleDescription.

CLI
Amazon CLI

To change an IAM role's description

The following update-role command changes the description of the IAM role production-role to Main production role.

aws iam update-role-description \
    --role-name production-role \
    --description 'Main production role'

Output:

{
    "Role": {
        "Path": "/",
        "RoleName": "production-role",
        "RoleId": "AROA1234567890EXAMPLE",
        "Arn": "arn:aws:iam::123456789012:role/production-role",
        "CreateDate": "2017-12-06T17:16:37+00:00",
        "AssumeRolePolicyDocument": {
            "Version": "2012-10-17",
            "Statement": [
                {
                    "Effect": "Allow",
                    "Principal": {
                        "AWS": "arn:aws:iam::123456789012:root"
                    },
                    "Action": "sts:AssumeRole",
                    "Condition": {}
                }
            ]
        },
        "Description": "Main production role"
    }
}

For more information, see Modifying a role in the Amazon IAM User Guide.

PowerShell
Tools for PowerShell V4

Example 1: This example updates the description of an IAM role in your account.

Update-IAMRoleDescription -RoleName MyRoleName -Description "My testing role"
Tools for PowerShell V5

Example 1: This example updates the description of an IAM role in your account.

Update-IAMRoleDescription -RoleName MyRoleName -Description "My testing role"

For a complete list of Amazon SDK developer guides and code examples, see Using this service with an Amazon SDK. This topic also includes information about getting started and details about previous SDK versions.