app/controllers/issues_controller.rb
# required params for update / create
required params for update / create
required params for update / create
def issue_params
      params
        .require(:issue)
        .permit(:title, :description, :issue_status_id, :issue_priority_id, :discipline_id, :assignee_ids => [])
    end
def issue_params params . require ( :issue ) . permit ( :title , :description , :issue_status_id , :issue_priority_id , :discipline_id , :assignee_ids => [ ] ) end
required params for update / create
required params for update / create