[Solved] How to use Cloudformation to attach lambda function to existing API gateway

Jamills102 Asks: How to use Cloudformation to attach lambda function to existing API gateway
I am trying automate attaching a lambda function to an already existing Api Gateway(that was not deployed in a stack). It looks like the AWS::ApiGateway::Method is the best way of going about doing this, but I can seem to figure out how to get the specific Api Gateway RestApiId and ResourceId. How can I go about “fetching” that information? Is there a cloudformation way or do I need to use some type of lambda function?

Thanks for helping me with frustrating problem!

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