The terminology is a little different in Branch: a Metric is called a Topic. A Dimension is called a Field.
Currently the default report in Funnel offers the following metrics and dimensions:
Dimensions, Metrics & Commerce Metrics
Ad Set ID
Ad Set Name
Add Payment Info
Add To Cart
Add To Wishlist
* ‘Commerce Metrics’ will only be available together with the ‘Commerce events’ metric.
The Branch connector uses the Branch Custom Export API which pulls non-unique data only.
One source per app
Due to quota limitations, the connection will fail if you have more than one connection in Funnel per Branch app.
The Custom Exports endpoint is limited to a maximum of 2 million records for each report and fetching historical data is limited up to 120 days prior to the date of export.