What are macros?

A macro is a placeholder for a specific event (for example: ${CLICK_URL} to be replaced with a real value once the creative is served. Defining macros is optional, and is limited to 6 macros per BlockConnect Pixel. Each macro can accept up to 255 characters. For example in this link: https://connect.blockboardtech.com/ track/t e=Impression&vr=1&d=eJwzNLMwMjU2MjY3NLYw0DE0tDDRMTEzNdCxNLA01DEzt wRjA53QvOy8_PI 8IAs VghC6AJiCCkN0pyXmFKfqGAIA2LQXBA--&m=1&op5=[VALUE-1]&op6=[VALUE-2]&op7=[VALUE- 3]&op8=[VALUE-4]&op9=[VALUE-5]&op10=[VALUE-6] there are 6 macros available: &op5=VALUE-1 &op6=VALUE-2 &op7=VALUE-3 &op8=VALUE-4 &op9=VALUE-5 &op10=VALUE-6 All the placeholders VALUE-1 to VALUE-6 can be replaced with anything up to 255 characters Our commonly used placeholders consist of: Order ID, SKU, Order total, Source code, Promo code, Service fee, and Revenue, but there is a broad range of placeholders that can be used for tracking purposes.