In the menu bar on the left side of the screen, select the "configuration" option.

Within settings select "players".

In the new window, select the blue button at the right of the players info.

A new window will open.

Below the player's photo you will find the "assign OLI" title.

Select the OLI from the drop-down list.

Click on the "update" button.

The OLI number will show at the right of the player's info.