["s3:ListBucket"], "Resource": ["arn:aws:s3:::EXAMPLE-BUCKET-NAME"], "Condition": {"StringLike": {"s3:prefix": ["cognito/mynumbersgame/"]}} }, { "Effect": "Allow", "Action": [ "s3:GetObject", "s3:PutObject", "s3:DeleteObject" ], "Resource": [ "arn:aws:s3:::EXAMPLE-BUCKET-NAME/cognito/mynumbersgame/${cognito-identity.amazonaws.com:sub}", "arn:aws:s3:::EXAMPLE-BUCKET-NAME/cognito/mynumbersgame/${cognito-identity.amazonaws.com:sub}/*" ] } ] } 5 http://docs.aws.amazon.com/jajp/IAM/latest/UserGuide/accesspolicies_examples.html#iam- policy-example-cognito ࣮ફserverless #cmdevio 38