Steps to use OnOutputChange (Client API reference)

Microsoft recently introduced us to a new set of event handlers, which can be used to register or deregister a function when an output parameter of a PCF control is changed. By using the OnOutputChange method, seamless communication between PCF control & Client API can be established. It is quite interesting to know that this works with standard as well as a virtual component. More on a virtual component can be checked here.

Let’s look at the event handlers that are introduced first. They are as follows –

• AddOnOutputChange – This will add an event handler to the OutputChange event of the selected control. The syntax is as below –

var control = formContext.getControl("<name>");
control.addOnOutputChange(myFunction);

• RemoveOnOutputChange – This will remove the event handler from the OutputChange event of the selected control. The syntax is as below –

var control = formContext.getControl("<name>");
control.removeOnOutputChange(myFunction);

• GetOutputs – This will…

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