AT:

• I can only run commands for external tasks which belongs to one of the authenticated tenants
• if no authenticated tenant id is set then I can only run commands for external tasks which belongs to no tenant
• if no authentication is set (i.e. no user id) then I can run commands for all external tasks

Commands:

• fetchAndLock
• complete
• handleFailure
• handleBpmnError
• unlock
• setRetries
• setPriority