*This value is only populated for interaction events which applies on all successive pixel fires that are triggered by the enabled Interaction Tracking Modules and/or to the configured Custom Events and/or Custom Success Events.
**This value is only populated in case the 'epx' parameter is included in a pixel URL that is implemented in an external system for piggybacking purposes.
The following attributes will only be collected when the relevant On-Site module is enabled.
Screen Resolution Height
Screen Resolution Width
Browser Resolution Height
Browser Resolution Width
Browser Timezone Offset
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.84 Safari/537.36