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A) Turn on StoreFront Recordings and make sure you have the tracking script deployed. If you can see the gclid, etc. parameter appearing the StoreFront Recordings then you have everything functioning properly. Below is a StoreFornt Recording filter finding sessions which have the gclid parameter on a page.
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A) On your external site open the developer tools, click on the Network tab, click on the JS filter, and then search for collect-g.ms as shown below.
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