class ClientContact(object):
    def __init__(self, first_name: str = '',
                 last_name: str = '',
                 email: str = '',
                 phone: str = '',
                 send_email: bool = True,
                 custom_value1: str = '',
                 custom_value2: str = '',
                 custom_value3: str = '',
                 custom_value4: str = ''):
        self.first_name = first_name
        self.last_name = last_name
        self.email = email
        self.phone = phone

        # Flag for whether the contact will receive emails.
        self.send_email = send_email

        # Custom values
        self.custom_value1 = custom_value1
        self.custom_value2 = custom_value2
        self.custom_value3 = custom_value3
        self.custom_value4 = custom_value4

    def __str__(self):
        return 'ClientContact({}, {}, {}, {}, {}, {}, {}, {}, {})'.format(
                self.first_name,
                self.last_name,
                self.email,
                self.phone,
                self.send_email,
                self.custom_value1,
                self.custom_value2,
                self.custom_value3,
                self.custom_value4)