def add_sticky_note(self, text, x_position, y_position, page_number):
    '\n        Adds a sticky note to this file.\n\n        :param text: the text of the sticky_note.\n        :param x_position: the x position on the file of the sticky_note.\n        :param y_position: the y position on the file of the stick_note.\n        :param page_number: the page_number on the file of the sticky_note.\n        :return: a :class:`Annotation <yandeley.models.annotations.Annotation>`.\n        '
    position = {'x': x_position, 'y': y_position}
    bounding_box = {'top_left': position, 'bottom_right': position, 'page': page_number}
    annotation = {'document_id': self.document().id, 'text': text, 'filehash': self.filehash, 'positions': [bounding_box]}
    rsp = self.session.post('/annotations/', data=json.dumps(annotation), headers={'Accept': Annotation.content_type, 'Content-Type': Annotation.content_type})
    return Annotation(self.session, rsp.json())
Adds a sticky note to this file.

:param text: the text of the sticky_note.
:param x_position: the x position on the file of the sticky_note.
:param y_position: the y position on the file of the stick_note.
:param page_number: the page_number on the file of the sticky_note.
:return: a :class:`Annotation <yandeley.models.annotations.Annotation>`.
def add_sticky_note(self, text, x_position, y_position, page_number):
    '\n        Adds a sticky note to this file.\n\n        :param text: the text of the sticky_note.\n        :param x_position: the x position on the file of the sticky_note.\n        :param y_position: the y position on the file of the stick_note.\n        :param page_number: the page_number on the file of the sticky_note.\n        :return: a :class:`Annotation <yandeley.models.annotations.Annotation>`.\n        '
    position = {'x': x_position, 'y': y_position}
    bounding_box = {'top_left': position, 'bottom_right': position, 'page': page_number}
    annotation = {'document_id': self.document().id, 'text': text, 'filehash': self.filehash, 'positions': [bounding_box]}
    rsp = self.session.post('/annotations/', data=json.dumps(annotation), headers={'Accept': Annotation.content_type, 'Content-Type': Annotation.content_type})
    return Annotation(self.session, rsp.json())