loopback/lib/models/role.js

var loopback = require('loopback');

// Role model
var RoleSchema = {
    id: {type: String, id: true}, // Id
    name: {type: String, required: true}, // The name of a role
    description: String, // Description
    roles: [String], // A role can be an aggregate of other roles
    users: [String], // A role contains a list of user ids

    // Timestamps
    created: {type: Date, default: Date},
    modified: {type: Date, default: Date}
};

var Role = loopback.createModel('Role', RoleSchema);

module.exports = Role;

Role.OWNER ='$owner'; // owner of the object
Role.RELATED = "$related"; // any User with a relationship to the object
Role.AUTHENTICATED = "$authenticated"; // authenticated user
Role.EVERYONE = "$everyone"; // everyone