The minimum-viable reducer. Gathers the outputs of N mapped invocations back into a single collection output, preserving filenames. Use this when you just need to regroup the mapped results for downstream consumption without any aggregation.
collection
reduce
items
result
- id: 01890000-0000-0000-0000-00000000000a name: base.reduce_collection inputs: - 01890000-0000-0000-0000-000000000007