{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/ContactUpdate",
  "title": "ContactUpdate",
  "type": "object",
  "description": "Properties for updating an existing contact.",
  "properties": {
    "firstname": {
      "type": "string",
      "maxLength": 50,
      "description": "First name of the contact."
    },
    "middlename": {
      "type": "string",
      "maxLength": 50,
      "description": "Middle name of the contact."
    },
    "lastname": {
      "type": "string",
      "maxLength": 50,
      "description": "Last name of the contact."
    },
    "suffix": {
      "type": "string",
      "maxLength": 10,
      "description": "Suffix used in the contact name."
    },
    "salutation": {
      "type": "string",
      "maxLength": 100,
      "description": "Salutation for correspondence."
    },
    "nickname": {
      "type": "string",
      "maxLength": 100,
      "description": "Nickname of the contact."
    },
    "jobtitle": {
      "type": "string",
      "maxLength": 100,
      "description": "Job title of the contact."
    },
    "department": {
      "type": "string",
      "maxLength": 100,
      "description": "Department or business unit."
    },
    "emailaddress1": {
      "type": "string",
      "format": "email",
      "maxLength": 100,
      "description": "Primary email address."
    },
    "emailaddress2": {
      "type": "string",
      "format": "email",
      "maxLength": 100,
      "description": "Secondary email address."
    },
    "telephone1": {
      "type": "string",
      "maxLength": 50,
      "description": "Main phone number (business)."
    },
    "telephone2": {
      "type": "string",
      "maxLength": 50,
      "description": "Second phone number (home)."
    },
    "mobilephone": {
      "type": "string",
      "maxLength": 50,
      "description": "Mobile phone number."
    },
    "fax": {
      "type": "string",
      "maxLength": 50,
      "description": "Fax number."
    },
    "websiteurl": {
      "type": "string",
      "format": "uri",
      "maxLength": 200,
      "description": "Website URL."
    },
    "description": {
      "type": "string",
      "description": "Additional information to describe the contact."
    },
    "gendercode": {
      "type": "integer",
      "description": "Gender code."
    },
    "familystatuscode": {
      "type": "integer",
      "description": "Marital status code."
    },
    "birthday": {
      "type": "string",
      "format": "date",
      "description": "Birthday."
    },
    "preferredcontactmethodcode": {
      "type": "integer",
      "description": "Preferred method of contact code."
    },
    "donotemail": {
      "type": "boolean",
      "description": "Whether to allow direct email."
    },
    "donotphone": {
      "type": "boolean",
      "description": "Whether to allow phone calls."
    },
    "donotfax": {
      "type": "boolean",
      "description": "Whether to allow faxes."
    },
    "donotpostalmail": {
      "type": "boolean",
      "description": "Whether to allow direct mail."
    },
    "donotbulkemail": {
      "type": "boolean",
      "description": "Whether to allow bulk email."
    },
    "address1_name": {
      "type": "string",
      "maxLength": 200
    },
    "address1_line1": {
      "type": "string",
      "maxLength": 250
    },
    "address1_line2": {
      "type": "string",
      "maxLength": 250
    },
    "address1_line3": {
      "type": "string",
      "maxLength": 250
    },
    "address1_city": {
      "type": "string",
      "maxLength": 80
    },
    "address1_stateorprovince": {
      "type": "string",
      "maxLength": 50
    },
    "address1_postalcode": {
      "type": "string",
      "maxLength": 20
    },
    "address1_country": {
      "type": "string",
      "maxLength": 80
    },
    "address1_telephone1": {
      "type": "string",
      "maxLength": 50
    },
    "address1_latitude": {
      "type": "number",
      "format": "double"
    },
    "address1_longitude": {
      "type": "number",
      "format": "double"
    },
    "statecode": {
      "type": "integer"
    },
    "statuscode": {
      "type": "integer"
    },
    "annualincome": {
      "type": "number",
      "description": "Annual income of the contact."
    },
    "parentcustomerid_account@odata.bind": {
      "type": "string",
      "description": "Bind reference to a parent account. Format: /accounts(GUID)."
    },
    "parentcustomerid_contact@odata.bind": {
      "type": "string",
      "description": "Bind reference to a parent contact. Format: /contacts(GUID)."
    }
  }
}