# This is a comment.

.Person {	# . means a user defined type 
    name 0 : string	# string is a build-in type.
    id 1 : integer
    email 2 : string

    .PhoneNumber {	# user defined type can be nest.
        number 0 : string
        type 1 : integer
    }

    phone 3 : *PhoneNumber	# *PhoneNumber means an array of PhoneNumber.
    height 4 : integer(2)	# (2) means a 1/100 fixed-point number.
    data 5 : binary		# Some binary data
    weight 6 : double   # floating number
}

.AddressBook {
    person 0 : *Person(id)	# (id) is optional, means Person.id is main index.
}

foobar 1 {	# define a new protocol (for RPC used) with tag 1
    request Person	# Associate the type Person with foobar.request
    response {	# define the foobar.response type
        ok 0 : boolean
    }
}