# Buildium::EmailSenderMessage ## Properties | Name | Type | Description | Notes | | ---- | ---- | ----------- | ----- | | **id** | **Integer** | User unique identifier. | [optional] | | **first_name** | **String** | First name of the user. | [optional] | | **last_name** | **String** | Last name of the user. | [optional] | | **href** | **String** | A link to the user resource. | [optional] | ## Example ```ruby require 'buildium-ruby' instance = Buildium::EmailSenderMessage.new( id: null, first_name: null, last_name: null, href: null ) ```