require_once 'CRM/Core/DAO.php'; require_once 'CRM/Contact/BAO/Contact.php'; $contact = array( 'contact_type' => 'Individual', 'first_name' => 'John', 'last_name' => 'Doe', 'email' => 'johndoe@example.com', 'phone' => '123-456-7890', ); $new_contact_id = CRM_Contact_BAO_Contact::add($contact);This example adds a new individual contact with the first name "John", last name "Doe", email "johndoe@example.com", and phone number "123-456-7890" to the CRM system. Overall, the CRM_Contact_BAO_Contact class is part of the CiviCRM package library and is used to manage contacts in a CRM system. The add function is used to add a new contact to the system and takes an array of contact details as input.