The User is not in project role of JWT DC is not yet available in JWT Cloud, but can be implemented easily using a Jira expression condition.
Add a Jira expression condition.
Use this Jira expression
!user.getProjectRoles(new Project(issue.project.id)).map(p => p.name).includes("PROJECT_ROLE")
PROJECT_ROLE is the project role name that the current user must not be a member of.
PROJECT_ROLE