policy
A policy document containing permissions to add to the specified ObjectLambdaAccessPoint. For more information, see Access Policy Language Overview (https://docs.aws.amazon.com/AmazonS3/latest/dev/access-policy-language-overview.html) in the Amazon Simple Storage Service Developer Guide. Search the CloudFormation User Guide for AWS::S3ObjectLambda::AccessPointPolicy for more information about the expected schema for this property.