public function update_item( $request ) {

		$prepared = $this->prepare_item_for_database( $request );
		if ( is_wp_error( $prepared ) ) {
			return $prepared;
		}
		$key = LLMS_REST_API()->keys()->update( $prepared );
		if ( is_wp_error( $request ) ) {
			$request->add_data( array( 'status' => 400 ) );
			return $request;
		}

		// Fields registered via `register_rest_field()`.
		$fields_update = $this->update_additional_fields_for_object( $key, $request );
		if ( is_wp_error( $fields_update ) ) {
			return $fields_update;
		}

		$request->set_param( 'context', 'edit' );
		$response = $this->prepare_item_for_response( $key, $request );

		return $response;

	}