composition.yaml

apiVersion: apiextensions.crossplane.io/v1
kind: Composition
metadata:
  name: function-environment-configs
spec:
  compositeTypeRef:
    apiVersion: example.crossplane.io/v1
    kind: XR
  mode: Pipeline
  pipeline:
  - step: environmentConfigs
    functionRef:
      name: function-environment-configs
    input:
      apiVersion: environmentconfigs.fn.crossplane.io/v1beta1
      kind: Input
      spec:
        environmentConfigs:
          - type: Reference
            ref:
              name: example-config
  - step: go-templating
    functionRef:
      name: function-go-templating
    input:
      apiVersion: gotemplating.fn.crossplane.io/v1beta1
      kind: GoTemplate
      source: Inline
      inline:
        template: |
          ---
          apiVersion: example.crossplane.io/v1
          kind: XR
          status:
            fromEnv: {{ index .context "apiextensions.crossplane.io/environment" "complex" "c" "d" }}