iot:RetainPublish is a Write access-level action in the iot service. Grants permission to publish a retained message to the specified topic
ARNs that iot:RetainPublish can be scoped to in an IAM policy.
No condition keys are documented for this action.
A minimal policy that allows iot:RetainPublish. Replace "Resource": "*" with a specific ARN to follow least privilege.
{
"Version": "2012-10-17",
"Statement": [
{
"Sid": "AllowIotRetainPublish",
"Effect": "Allow",
"Action": "iot:RetainPublish",
"Resource": "*"
}
]
}