# Schema: View_membership_schemaModel
---
type: object
example:
  _type: Schema
  _dependencies: []
  id:
    type: Integer
    name: ID
    required: true
    hasDefault: false
    writable: false
  createdAt:
    type: DateTime
    name: Created on
    required: true
    hasDefault: false
    writable: false
  updatedAt:
    type: DateTime
    name: Updated on
    required: true
    hasDefault: false
    writable: false
  notificationMessage:
    type: Formattable
    name: Message
    required: false
    hasDefault: false
    writable: true
    options: {}
    location: _meta
  project:
    type: Project
    name: Project
    required: false
    hasDefault: false
    writable: true
    location: _links
    _links: {}
  principal:
    type: Principal
    name: Principal
    required: true
    hasDefault: false
    writable: true
    location: _links
    _links: {}
  roles:
    type: "[]Role"
    name: Role
    required: true
    hasDefault: false
    writable: true
    location: _links
    _links: {}
  _links:
    self:
      href: "/api/v3/memberships/schema"