When you run a checkpoint, you can view detailed information about how it ran by looking at Developer Logs. These are available from the main navigation under the “Developer Center”
Go to the “Logs” tab and click on the checkpoint you want to inspect to see detailed logging from how it processed.
Many of the sections here are expandable. For example, expanding the trigger will show event data sent to the the checkpoint
Decisions will show information about logical tests that were performed
Integrations will show a lot of information about outputs from the integration, or any errors encountered
Non Integration Blocks like Webhooks and DTL will show lots of data as well:
To understand what is happening in a checkpoint, whether run by the customer or by yourself while validating a new approach, when you are validating an approach for a customer, developer logs are one of your most useful tools to see what is happening.
Additionally, you can view these logs on customer support accounts to see what happened when they ran checkpoints. This is very useful for identifying things like misconfigured checkpoints and bad event data.