class GroupId(object):
    """The unsubscribe group ID to associate with this email."""

    def __init__(self, group_id=None):
        """Create a GroupId object

        :param group_id: The unsubscribe group to associate with this email.
        :type group_id: integer, optional
        """
        self._group_id = None

        if group_id is not None:
            self.group_id = group_id

    @property
    def group_id(self):
        """The unsubscribe group to associate with this email.

        :rtype: integer
        """
        return self._group_id

    @group_id.setter
    def group_id(self, value):
        """The unsubscribe group to associate with this email.

        :param value: The unsubscribe group to associate with this email.
        :type value: integer
        """
        self._group_id = value

    def get(self):
        """
        Get a JSON-ready representation of this GroupId.

        :returns: This GroupId, ready for use in a request body.
        :rtype: integer
        """
        return self.group_id