Replace a partner's companion-guide **overlay** (extra segments + element
overrides) without touching any other field — the save path behind the visual mapping editor…
PUT
overrides) without touching any other field — the save path behind the
visual mapping editor. Validate-before-publish is enforced: an overlay with
blocking errors is rejected. An empty overlay clears it.
Path parameters
string
required
Partner ID
Request body
PartnerOverlay
ElementOverride[]
Force an element’s value on the first matching segment of an outbound
transaction (optionally scoped to a set) — e.g. a fixed qualifier.
OverlaySegment[]
Extra segments appended to outbound transactions (optionally scoped to a
transaction set) — e.g. a partner-required
REF/N9/DTM.