This manual describes the details of writing an actor based on twistedActor. ... Thus, to the extent that the underlying hardware controllers support it, an actor based on twistedActor can execute multiple commands at the same time. ... One thing to keep in mind while writing your device code is: which actor commands can the device handle directly? ... Actor contains the list of devices your actor controls and code to execute certain commands called "local commands". ... Execute the command . ...