public function get_item_schema() {
		$schema = array(
			'$schema'    => 'http://json-schema.org/draft-04/schema#',
			'title'      => 'bp_attachments_member_avatar',
			'type'       => 'object',
			'properties' => array(
				'full'  => array(
					'context'     => array( 'view', 'edit' ),
					'description' => __( 'Full size of the image file.', 'buddypress' ),
					'type'        => 'string',
					'format'      => 'uri',
					'readonly'    => true,
				),
				'thumb' => array(
					'context'     => array( 'view', 'edit' ),
					'description' => __( 'Thumb size of the image file.', 'buddypress' ),
					'type'        => 'string',
					'format'      => 'uri',
					'readonly'    => true,
				),
			),
		);

		/**
		 * Filters the member avatar schema.
		 *
		 * @param string $schema The endpoint schema.
		 */
		return apply_filters( 'bp_rest_attachments_member_avatar_schema', $this->add_additional_fields_schema( $schema ) );
	}