This is an example of a **eePlaygroundScript.fmt** file where the **SAVI indices** for Landsat 7 and Landsat 8 have been added!
Download the file : [link][1] **[HERE][1]** (**right click** and choose "*Save file as...*" and follow the instructions from the first answer on this thread so that you add it to your CEP file.
[1]: http://openforis.org/newwebsite//fileadmin/docs/collectEarth/eePlaygroundScript.fmt