compares a number in a request to a number in your policy.
To match a request, the context key must exist in the request and must match the number in your policy.
You can NOT use policy variables in the value of this operator.
"NumericLessThanEquals": { "s3:max-keys": "100"}
s3:max-keys: null
s3:max-keys: 99
s3:max-keys: 100
s3:max-keys: 101