Hi, I hope I can make clear what I hope is possible.
I have three projects with each their own product owner. Some(times) developers can be assigned to stories of more than one project. I would like project A to have a Kanban board where he sees in the swimming lanes only the developers (assignees) having stories of that project A with all other stories that developer is assigned to.
simply said (but not done):
where assignee in (has stores from project A)