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For confirmation events, the event callback function should return a non-zero value to tell Citect SCADA not to continue processing the event. Since the event callback function cannot block, any blocking function calls or long loops should be moved to a separate function.The callback function can start with the TaskNew() command.If the event handler is non-interactive with instant return value, it can be called directly.If the return value is not 0, Citect SCADA assumes that you will process the event and discard the message internally. If the return value is 0, the event will be processed by Citect SCADA in default mode which is the original behavior. When the user clicks any button of the Windows tile bar, or size/move the window, or shutting down a process, the callback function is called. For event type 42.49, a windows system event is received.Set the Fn argument to 0 (zero) to disable the event. The return value of the callback will depend on the type of the event. Any I/O device variable that you use will contain either 0 (zero) or bad quality. They also need to be non-blocking.Ĭitect SCADA starts running the function immediately, without reading any data from the I/O devices. Callback functions have no arguments and needs to return an integer.

Using callback functions removes the need for polling or checking for events. The callback function is called when the event occurs. Sets an event callback function for an event type. Player.Cicode Programming Reference > Cicode Function Categories > Event Functions > OnEvent ViewportFrame.CurrentCamera = viewportCamera Local viewportCamera = Instance.new("Camera", viewportFrame) Local part = viewportFrame:WaitForChild("Dummy") Then in my server handler PlayerAdded barely fires at all. Now I’m not 100% that CharacterAdded doesn’t fire in local scripts but I don’t think thats the problem since CharacterAppearanceLoaded fires. I haven’t seen too much for my issue and the only fix just seems to be rejoining a bunch. What solutions have you tried so far? Did you look for solutions on the Developer Hub? What is the issue? Include screenshots / videos if possible! The PlayerAdded only seems to work after I’ve rejoined a bunch of times and it makes testing very annoying Simple events like PlayerAdded and CharacterAdded aren’t even firing. I’ve been experiencing this for a while now but its been getting annoying. What do you want to achieve? Keep it simple and clear!