[
  {
    "name": "phase",
    "type": "string",
    "required": true,
    "description": "The phase to display in the banner. This should either be 'Proof of concept', 'Prototype', 'Alpha' or 'Beta'."
  },
  {
    "name": "message",
    "type": "string",
    "required": true,
    "description": "A message to explain the phase of the service. Include a link to provide feedback."
  },
  {
    "name": "classes",
    "type": "string",
    "required": false,
    "description": "Classes to add to the phase banner."
  },
  {
    "name": "attributes",
    "type": "object",
    "required": false,
    "description": "HTML attributes (for example data attributes) to add to the phase banner."
  }
]