anchor.diff:              fieldRef:
                 fieldPath: metadata.labels <4>
   ----
  -
  -<1> The `metadata` field of the volume source configures the downward API volume
  -<2> The `items` field holds a list of fields to project into the volume
  -<3> The name of the file to project the field into
  -<4> The selector of the field to project 
  -====
  -
  -Let's take a look at a full example:
  +<1> The `*metadata*` field of the volume source configures the downward API
  +volume.
  +<2> The `*items*` field holds a list of fields to project into the volume.
  +<3> The name of the file to project the field into.
  +<4> The selector of the field to project.
  +====
  +
  +For example:
   
   . Create a `*_volume-pod.json_*` file:
  -
  ++
  +====
   [source,yaml]
   ----
   kind: Pod
  
positive.code:               fieldPath: metadata.annotations
    restartPolicy: Never
  ----
  
  . Create the pod from the `*_volume-pod.json_*` file:
  
  ====
  ----
  $ oc create -f volume-pod.json
  ----
  ====
  
  . Check the container's logs with:
  
  ====
  ----
  $ oc logs -p dapi-volume-test-pod
  
negative.code:   name: dapi-volume-test-pod
    annotations:
      annotation1: 345
      annotation2: 456
  spec:
    containers:
      - name: volume-test-container
  