There is no Condition field in the IAMPolicyStatement

[shinbunbun]

Is your feature request related to a problem? Please describe.

The following policy cannot be used with Lambda Custom Authorizer because there is no Condition field in the IAMPolicyStatement.

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Effect": "Deny",
            "Action": "execute-api:Invoke",
            "Resource": "execute-api:/{{stageNameOrWildcard}}/{{httpVerbOrWildcard}}/{{resourcePathOrWildcard}}",
            "Condition" : {
                "IpAddress": {
                    "aws:SourceIp": [ "{{sourceIpOrCIDRBlock}}", "{{sourceIpOrCIDRBlock}}" ]
                }
            }
        }
    ]
}

Describe the solution you'd like

Add a Condition field to the IAMPolicyStatement.

Describe alternatives you've considered

Additional context