type Bookmark { id: ID! createdAt: Time! updatedAt: Time! category: String! name: String! link: String! } input CreateBookmarkInput { category: String! name: String! link: String! } extend type Query { bookmarks: [Bookmark!]! } extend type Mutation { createBookmark(input: CreateBookmarkInput!): Bookmark! deleteBookmark(id: ID!): Bookmark! }