BookMenu - All properties and their values

Sets a command that will be executed by clicking this text
- command: "cmd"

Specifies whether the command will be performed from player or from server console
- console: true / false

Text that will be shown when user moves the cursor over the text
- hover: "This is hover text!"

Opens a book with specified id for the player. The book id is equal to filename without .yml
- open: "book_id"

Opens a specified book page. Useful for large books.
- page: 2

Link that will be opened on click
- url: "http://google.com"

Permission to see and click the entry. (See below paremeters for more)
- permission: "http://google.com"

Text for player who don't have entry permission
- alt-perm-text: "You shall not pass!"

Same as above, but now it's hover text
- alt-perm-hover: "Hover, hover, hover"

These too are equal to their analogues above, but for money on player balance
- alt-money-text: "Text, text"
- alt-money-hover: "You need more gold!"