```ruby
require "messagemedia/soap/version"
require "messagemedia/soap/recipient"
require "messagemedia/soap/message"
require "messagemedia/soap/client"
```

Use single quotes in main module file
user
```ruby
require 'messagemedia/soap/version'
require 'messagemedia/soap/recipient'
require 'messagemedia/soap/message'
require 'messagemedia/soap/client'
```
assistant