sts:DecodeAuthorizationMessage is a Write access-level action in the sts service. Grants permission to decode additional information about the authorization status of a request from an encoded message returned in response to an AWS request
This action does not support resource-level permissions; use "Resource": "*" in your policy.
No condition keys are documented for this action.
A minimal policy that allows sts:DecodeAuthorizationMessage. Replace "Resource": "*" with a specific ARN to follow least privilege.
{
"Version": "2012-10-17",
"Statement": [
{
"Sid": "AllowStsDecodeAuthorizationMessage",
"Effect": "Allow",
"Action": "sts:DecodeAuthorizationMessage",
"Resource": "*"
}
]
}