The path selector is based on JSON Path. It can be used to select and filter data from the source entity.
This is available as input for array and for the dynamic property type to map data from the source entity.For dynamic mapping, the selector should result in a property value (single token).
When using $path for the array input the result is expected to be a list of property values (multiple tokens).Mapping all source entity properties:
"product": { "*": "p"}
Consider, that you want the entire list of product features: