If I develop a renderer similar to Dolby, is there a way to click to open the panner where the selec

If I develop a plug-in that includes renderer and panner, I want to develop a function that calls the corresponding panner from the renderer and tells me the location of the audio track where the panner is located. Is there a way to achieve this?

The panners and your renderer could be part of the same plugin factory (same dll) which allow you to have internal communication or you use a kind IPC between panner instance and renderer to exchange information.
The panner could use the [3.6.5] Channel Context Info Support - VST - Steinberg Developer Help in order to get its channel name.
hope it helps

If we let the remote renderer open the panner’s UI View to display through ipc, is there a feasible way?