Perms needed to successfully deploy a Lambda via AWS SAM

iam_sam_policy.json

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Sid": "VisualEditor0",
            "Effect": "Allow",
            "Action": [
                "cloudformation:*",
                "iam:CreateRole",
                "iam:AttachRolePolicy"
            ],
            "Resource": "*"
        }
    ]
}