First, we load rdfp and specify the DFP network we would like to connect to. Then we authenticate by using dfp_auth(). Any existing cached token would be used or we will be prompted to authenticate via the browser.

Setup Custom Targeting Keys and Values

DFP allows traffickers to create custom tags to better target line items on their site. For example, a certain section of the site or search term used by a visitor can be encoded as custom targeting keys and values that can later be used when creating orders and line items, and evaluating potential inventory. See the following link for Google’s explanation on their uses: (