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Nethra RaghupathyNethra Raghupathy 

Communication between 2 lightning components

Hi,

We have a side bar. On click of navigation link in side bar, it should navigate between 2 lightning components (which are already created). This should work for both classic and lightning. Is there a way to do it?
VishnuZVishnuZ
One way is to use lightning out application. You can also acheive it by invoking window.postMessage() JavaScript API in the caller (LC/VF), the listener component(LC/VF) subscribes to the event using addEventListner.