apiVersion: oadp.openshift.io/v1alpha1
kind: DataProtectionApplication
#...
snapshotLocations:
  - velero:
      config:
        profile: default
        region: <region> (1)
      credential:
        key: cloud
        name: cloud-credentials
      provider: aws
  - velero:
      config:
        profile: default
        region: <region>
      credential:
        key: cloud
        name: <custom_credential> (2)
      provider: aws
#...