specific data stored/saved into in each client application

An example, 

for save the parameters of display for each user...

Hello.

You can use Project Tokens. They are only available in the panel project.

Thank you for your answer, 

effectively, it is easy to use it....

as we say in France :

      "I had thought it , Iridium has done it"

We're glad you made it.

Do you have any other questions?

No thank you, you can close the ticket...

Happy to help.