Edit this Doc Set Cookie

self.driver.add_cookie({name: 'foo', value: 'bar'})

// webdriver.io example
driver.setCookies([{
  name: 'myCookie',
  value: 'some content'
}]);

// wd example
let cookies = await driver.setCookie({name: 'foo', value: 'bar'});

# ruby_lib example
manage.add_cookie(:name => 'foo', :value => 'bar')

# ruby_lib_core example
@driver.manage.add_cookie(:name => 'foo', :value => 'bar')

driver.Manage().Cookies.AddCookie(new Cookie("foo", "bar"));