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This code is from the entry point file of the custom extension
if (pdp) {
 pdp.on('beforeShowContent', function () {
             let itemInfo = pdp.getItemInfo();
             if (itemInfo.item.matrixchilditems_detail) {
                layout.addToViewContextDefinition('ProductViews.Option.View', 'matrixImages', 'array', function (context) {
                           //Some Logic here
                            return arrToReturn;
                });
            }
         });
 }

I am getting this error in the console while redering to PDP from PLP and page is not redirecting.
"Exception on event handler for event beforeShowContent DUPLICATED_CONTEXT_PROPERTY: Duplicated propertyName. Trying to add more than one extra context property with the same name"
Any help would be appreciated

Because you're triggering this with a beforeShowContent, so every time showContent() is called, it is calling this function. This method should only be called once, so it is returning the error because you keep calling it.

Okay i understand but what if want to add the the context property to the PDP page of the site if i remove the beforshowcontent event how can i add this to the PDP ?