GpsMotivations: List of reasons for using Google Partner Search and creating a lead.
"GPS_MOTIVATION_UNSPECIFIED" - Unchosen. "GPSM_HELP_WITH_ADVERTISING" - Advertiser needs help with their
"GPSM_HELP_WITH_WEBSITE" - Advertiser needs help with their
"GPSM_NO_WEBSITE" - Advertiser does not have a website.