Here are the steps to follow:

1. Navigate to "Settings" in the left panel, then click on Account-level options
2. In the Tracking Template field, take the following action:

If it's currently blank, copy/paste the following:

{lpurl}?kendall_source=bing&kendall_campaign={CampaignId}&utm_term={AdGroupId}&kendall_adid={adid}

If you're currently using your own UTMs for tracking in Google Analytics, simply add our parameters to the end of your string, start with an ampersand (“&”). It will end up looking something like this:

?utm_source=bing**&kendall_source=bing&kendall_campaign={CampaignId}&utm_term={AdGroupId}&kendall_adid={adid}**

1. Scroll to the bottom of the page and click Save