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Event Forwarding
The Event Forwarding page provides information on your app’s incoming event data and the data that is forwarded to enabled output event services.
To access the Event Forwarding page, navigate to Data Platform > Event Forwarding using the left nav.
This is where you can verify how much data mParticle captured per event, and how much data was forwarded. If multiple configurations are enabled for an integration, the data sent to each configuration will be shown separately. We recommend checking this report if you notice any discrepancies in your vendor dashboards.
The report displays a daily summary of events, plus counts for each message type and event name, along with the inbound and outbound counts for each enabled service. By default a summary of data for a full day is shown, but you can also select a specific hour to display hourly data.
You may notice differences between an inbound data count and an outbound data count. There are several reasons these differences may occur. Here are some good questions to start with:
- Did you enable/disable the service on the date in question?
- Are you using data filters?
- Is the message type not supported by the integration?
- Have you chosen configuration or connection settings that exclude certain message types?
- Are you sending commerce events that are expanded before being forwarded?
Commerce Event Types and Event Forwarding
Four events, called commerce events, capture information about financial transactions: product commerce events, purchase or refund commerce events, promotion commerce events, and impression commerce events.
Commerce events behave differently from other events:
- If the event is forwarded using an mParticle SDK with an embedded kit that doesn’t implement
logCommerceEvent, then the event is expanded to ensure that no data is lost. - If the event is forwarded server-to-server or using an mParticle SDK with an embedded kit that does support
logCommerceEvent, then no expansion is needed, and no data is lost.
In addition, the expansion behavior is different depending on the commerce event type:
- Product commerce events and impression commerce events expand to one event per product.
- Purchase or refund commerce events add an additional event with the total value.
- Promotion commerce events expand to one event per promotion action type such as “click” or “view.”
For more details, see the iOS SDK or Android SDK documentation.
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- Last Updated: March 11, 2025