category

The category property is used to tag posts. The value is either a plaintext string (no spaces) or a URL. The value can be the following:

Example

text category

type: entry
properties:
  name: example post
  category:
  - example

person tag with URL only

type: entry
properties:
  name: example photo
  photo: http://example.com/photo.jpg
  category:
  - http://aaronparecki.com

person tag with h-card

type: entry
properties:
  name: example photo
  photo: http://example.com/photo.jpg
  category:
  - type: card
    properties:
      url: http://aaronparecki.com
      name: Aaron Parecki