# marvin

Marvin is a [package](https://datagrok.ai/help/develop/develop#packages) for the [Datagrok](https://datagrok.ai) platform.
Package allows to use functionality of Marvin JS molecule sketcher on a Datagrok platform. To access full Marvin JS functionality lincensed version of Marvin JS should be available.

To install Marvin package follow steps below:

- open Datgrok platform and install latest version of Marvin package from npm using Packages tab

![](img/download_marvin.gif)

- go to Marvin package settings on property panel. Put path to licence into `Licence Path` field. In case you have Marvin JS web services up and running then put path to services into `Mol Convert Path` field. Click `save` and reload the page.

![](img/set_license_path.png)

- after that Marvin sketcher will become available and you can choose it from the list of available sketchers

![](img/open_marvin.gif)