The Merge Objects action combines a repeatable list of objects. When the
same property appears more than once, the value from the later object takes
precedence.
Outputs
Shallow and deep merging
Nested objects are treated as complete values. Merging:returns: Turn on Deep Merge to combine nested properties:
Deep merging arrays combines them by index rather than simply appending or
replacing the complete list. If array behavior matters, shape those values
before merging.