interface ExperimentRunQueryResponseattachment_urls maps each attachment name to a pre-signed download URL.
created_at is when the example was created (RFC3339 date-time).
dataset_id is the parent dataset UUID.
id is the dataset example UUID.
inputs is the example input payload (arbitrary JSON object).
metadata is arbitrary user-defined JSON metadata on the example.
modified_at is when the example was last modified (RFC3339 date-time).
name is the example's optional name.
outputs is the example reference-output payload (arbitrary JSON object).
source_run_id is the run UUID the example was created from, if any.