# Keyword actions
<a name="keywords-actions"></a>

A keyword can have one of three actions associated with it. When a customer responds with the keyword the action will be performed to add or remove the user from the opt-out list or respond to the user with a message.
+ `Opt-out` – The recipient is added to the opt-out list and will not receive future messages.
+ `Opt-in` – The recipient wants to receive future messages.
+ `Automatic response` A message is sent to the recipient who send the text keyword message.