text: var sg = require('sendgrid')(process.env.SENDGRID_API_KEY)
  
  ///////////////////////////////////////////////////
  // Retrieve all mail settings
  // GET /mail_settings
  
  
  var request = sg.emptyRequest()
  request.queryParams["limit"] = '1'
    request.queryParams["offset"] = '1'
   
  request.method = 'GET'
  request.path = '/v3/mail_settings'
  sg.API(request, function (error, response) {
    console.log(response.statusCode)
    console.log(response.body)
    console.log(response.headers)
  })
  
  ///////////////////////////////////////////////////
  // Update address whitelist mail settings
  // PATCH /mail_settings/address_whitelist
  
  
  var request = sg.emptyRequest()
  request.body = {
    "enabled": true, 
    "list": [
      "email1@example.com", 
      "example.com"
    ]
  };
  request.method = 'PATCH'
  request.path = '/v3/mail_settings/address_whitelist'
  sg.API(request, function (error, response) {
    console.log(response.statusCode)
    console.log(response.body)
    console.log(response.headers)
  })
  
  ///////////////////////////////////////////////////
  // Retrieve address whitelist mail settings
  // GET /mail_settings/address_whitelist
  
  
  var request = sg.emptyRequest()
  request.method = 'GET'
  request.path = '/v3/mail_settings/address_whitelist'
  sg.API(request, function (error, response) {
    console.log(response.statusCode)
    console.log(response.body)
    console.log(response.headers)
  })
  
  ///////////////////////////////////////////////////
  // Update BCC mail settings
  // PATCH /mail_settings/bcc
  
  
  var request = sg.emptyRequest()
  request.body = {
    "email": "email@example.com", 
    "enabled": false
  };
  request.method = 'PATCH'
  request.path = '/v3/mail_settings/bcc'
  sg.API(request, function (error, response) {
    console.log(response.statusCode)
    console.log(response.body)
    console.log(response.headers)
  })
  
  ///////////////////////////////////////////////////
  // Retrieve all BCC mail settings
  // GET /mail_settings/bcc
  
  
  var request = sg.emptyRequest()
  request.method = 'GET'
  request.path = '/v3/mail_settings/bcc'
  sg.API(request, function (error, response) {
    console.log(response.statusCode)
    console.log(response.body)
    console.log(response.headers)
  })
  
  ///////////////////////////////////////////////////
  // Update bounce purge mail settings
  // PATCH /mail_settings/bounce_purge
  
  
  var request = sg.emptyRequest()
  request.body = {
    "enabled": true, 
    "hard_bounces": 5, 
    "soft_bounces": 5
  };
  request.method = 'PATCH'
  request.path = '/v3/mail_settings/bounce_purge'
  sg.API(request, function (error, response) {
    console.log(response.statusCode)
    console.log(response.body)
    console.log(response.headers)
  })
  
  ///////////////////////////////////////////////////
  // Retrieve bounce purge mail settings
  // GET /mail_settings/bounce_purge
  
  
  var request = sg.emptyRequest()
  request.method = 'GET'
  request.path = '/v3/mail_settings/bounce_purge'
  sg.API(request, function (error, response) {
    console.log(response.statusCode)
    console.log(response.body)
    console.log(response.headers)
  })
  
  ///////////////////////////////////////////////////
  // Update footer mail settings
  // PATCH /mail_settings/footer
  
  
  var request = sg.emptyRequest()
  request.body = {
    "enabled": true, 
    "html_content": "...", 
    "plain_content": "..."
  };
  request.method = 'PATCH'
  request.path = '/v3/mail_settings/footer'
  sg.API(request, function (error, response) {
    console.log(response.statusCode)
    console.log(response.body)
    console.log(response.headers)
  })
  
  ///////////////////////////////////////////////////
  // Retrieve footer mail settings
  // GET /mail_settings/footer
  
  
  var request = sg.emptyRequest()
  request.method = 'GET'
  request.path = '/v3/mail_settings/footer'
  sg.API(request, function (error, response) {
    console.log(response.statusCode)
    console.log(response.body)
    console.log(response.headers)
  })
  
  ///////////////////////////////////////////////////
  // Update forward bounce mail settings
  // PATCH /mail_settings/forward_bounce
  
  
  var request = sg.emptyRequest()
  request.body = {
    "email": "example@example.com", 
    "enabled": true
  };
  request.method = 'PATCH'
  request.path = '/v3/mail_settings/forward_bounce'
  sg.API(request, function (error, response) {
    console.log(response.statusCode)
    console.log(response.body)
    console.log(response.headers)
  })
  
  ///////////////////////////////////////////////////
  // Retrieve forward bounce mail settings
  // GET /mail_settings/forward_bounce
  
  
  var request = sg.emptyRequest()
  request.method = 'GET'
  request.path = '/v3/mail_settings/forward_bounce'
  sg.API(request, function (error, response) {
    console.log(response.statusCode)
    console.log(response.body)
    console.log(response.headers)
  })
  
  ///////////////////////////////////////////////////
  // Update forward spam mail settings
  // PATCH /mail_settings/forward_spam
  
  
  var request = sg.emptyRequest()
  request.body = {
    "email": "", 
    "enabled": false
  };
  request.method = 'PATCH'
  request.path = '/v3/mail_settings/forward_spam'
  sg.API(request, function (error, response) {
    console.log(response.statusCode)
    console.log(response.body)
    console.log(response.headers)
  })
  
  ///////////////////////////////////////////////////
  // Retrieve forward spam mail settings
  // GET /mail_settings/forward_spam
  
  
  var request = sg.emptyRequest()
  request.method = 'GET'
  request.path = '/v3/mail_settings/forward_spam'
  sg.API(request, function (error, response) {
    console.log(response.statusCode)
    console.log(response.body)
    console.log(response.headers)
  })
  
  ///////////////////////////////////////////////////
  // Update plain content mail settings
  // PATCH /mail_settings/plain_content
  
  
  var request = sg.emptyRequest()
  request.body = {
    "enabled": false
  };
  request.method = 'PATCH'
  request.path = '/v3/mail_settings/plain_content'
  sg.API(request, function (error, response) {
    console.log(response.statusCode)
    console.log(response.body)
    console.log(response.headers)
  })
  
  ///////////////////////////////////////////////////
  // Retrieve plain content mail settings
  // GET /mail_settings/plain_content
  
  
  var request = sg.emptyRequest()
  request.method = 'GET'
  request.path = '/v3/mail_settings/plain_content'
  sg.API(request, function (error, response) {
    console.log(response.statusCode)
    console.log(response.body)
    console.log(response.headers)
  })
  
  ///////////////////////////////////////////////////
  // Update spam check mail settings
  // PATCH /mail_settings/spam_check
  
  
  var request = sg.emptyRequest()
  request.body = {
    "enabled": true, 
    "max_score": 5, 
    "url": "url"
  };
  request.method = 'PATCH'
  request.path = '/v3/mail_settings/spam_check'
  sg.API(request, function (error, response) {
    console.log(response.statusCode)
    console.log(response.body)
    console.log(response.headers)
  })
  
  ///////////////////////////////////////////////////
  // Retrieve spam check mail settings
  // GET /mail_settings/spam_check
  
  
  var request = sg.emptyRequest()
  request.method = 'GET'
  request.path = '/v3/mail_settings/spam_check'
  sg.API(request, function (error, response) {
    console.log(response.statusCode)
    console.log(response.body)
    console.log(response.headers)
  })
  
  ///////////////////////////////////////////////////
  // Update template mail settings
  // PATCH /mail_settings/template
  
  
  var request = sg.emptyRequest()
  request.body = {
    "enabled": true, 
    "html_content": "<% body %>"
  };
  request.method = 'PATCH'
  request.path = '/v3/mail_settings/template'
  sg.API(request, function (error, response) {
    console.log(response.statusCode)
    console.log(response.body)
    console.log(response.headers)
  })
  
  ///////////////////////////////////////////////////
  // Retrieve legacy template mail settings
  // GET /mail_settings/template
  
  
  var request = sg.emptyRequest()
  request.method = 'GET'
  request.path = '/v3/mail_settings/template'
  sg.API(request, function (error, response) {
    console.log(response.statusCode)
    console.log(response.body)
    console.log(response.headers)
  })
  
  