Third-party impression tracking URLs support a number of macros which can be dynamically updated by the ad server during delivery.
Supported formats
@MACRO@
%%MACRO%%
${MACRO}
[MACRO]
Supported macros
Inventory Macros
CAMPAIGN_ID
The numerical ID of the campaign; e.g., 884461.STATION_NAME
The name of program
Listener Macros
IP
The IP address of the device.USERAGENT
The User-Agent header of the device.
Transient Macros
CACHEBUSTER
A random string for cache busting.RANDOM
A random string for cache busting.TIMESTAMP
Unix timestamp in seconds.