Which pieces of information to include:
- ids
- Adds the page ID.
- title
- Adds the title and namespace ID of the page.
- sortkey
- Adds the sortkey used for sorting in the category (hexadecimal string).
- sortkeyprefix
- Adds the sortkey prefix used for sorting in the category (human-readable part of the sortkey).
- type
- Adds the type that the page has been categorised as (page, subcat or file).
- timestamp
- Adds the timestamp of when the page was included.
