When you are building your scenario you need to choose a piece of content that will be published in your players' first login.

To do this:

Right click in the content > Select "Publish on first login".

The colour of the content will change, just like the following:

Tips:
  • This first piece of content can be useful to get the name of your players just before starting the simulation.
  • It could be also a way to give them some instructions about how the siimulation works.