zammad/db/seeds/roles.rb

Role.create_if_not_exists(
  id: 1,
  name: 'Admin',
  note: 'To configure your system.',
  preferences: {
    not: ['Customer'],
  },
  default_at_signup: false,
  updated_by_id: 1,
  created_by_id: 1
)
Role.create_if_not_exists(
  id: 2,
  name: 'Agent',
  note: 'To work on Tickets.',
  default_at_signup: false,
  preferences: {
    not: ['Customer'],
  },
  updated_by_id: 1,
  created_by_id: 1
)
Role.create_if_not_exists(
  id: 3,
  name: 'Customer',
  note: 'People who create Tickets ask for help.',
  preferences: {
    not: %w[Agent Admin],
  },
  default_at_signup: true,
  updated_by_id: 1,
  created_by_id: 1
)