> Rules can be used to perform parameter validations based on the values of other parameters. https://aws.amazon.com/blogs/mt/how-to-perform-cross-parameter-validation-using-aws-cloudformation-rules-and-assertions/ it seems that Rules aren't supported currently https://github.com/mapbox/accounts-airflow/blob/96be3b4f73d25c03fb7c77b24e311d0d1350b060/node_modules/@mapbox/cloudfriend/lib/merge.js#L30-L37 [documentation on rules](https://docs.aws.amazon.com/servicecatalog/latest/adminguide/reference-template_constraint_rules.html) cc @mapbox/platform
https://aws.amazon.com/blogs/mt/how-to-perform-cross-parameter-validation-using-aws-cloudformation-rules-and-assertions/
it seems that Rules aren't supported currently https://github.com/mapbox/accounts-airflow/blob/96be3b4f73d25c03fb7c77b24e311d0d1350b060/node_modules/@mapbox/cloudfriend/lib/merge.js#L30-L37
documentation on rules
cc @mapbox/platform