Sure, here's an example of a Crossplane composite resource definition (XRD) and a composition for creating an AWS EKS cluster. This example includes the XRD, the composition, and an example of a composite resource claim.
apiVersion: apiextensions.crossplane.io/v1
kind: CompositeResourceDefinition
metadata:
name: xeksclusters.aws.example.com
spec:
group: aws.example.com
names: