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The Terminus ID field surfaces a record’s built-in unique identifier, in the format trm0 followed by lowercase alphanumeric characters. It is generated by the system, so submitters never type it.
Terminus ID is a computed field. Its value is system-generated when the record is first created, the field is always required, and it does not appear as an input a submitter can fill in.

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When to use it

Reach for Terminus ID when you need a stable handle on a record:
  • A reliable identifier that outlives any single submission and never changes.
  • The code field of an automated picklist level, so other taxonomies reference each record by a code that stays put even when its display name changes.
  • A dependable value to feed into a Concatenation field.
Do not use Terminus ID when you need a human-friendly or sequential number. Its format is fixed and cannot be configured. Use Auto Number for readable, sequential identifiers.

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How it works

Every record carries a Terminus ID, assigned the first time it is created and unchanging from then on. The identifier is unique across your account. A Terminus ID field surfaces that identifier as a field value, so it can show in the grid, feed into a Concatenation field, or serve as the option code of an automated picklist. The field is not a second, independent identifier: it mirrors the record’s own Terminus ID.

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Settings reference

Terminus ID has no configurable settings. The format and value are system-generated and cannot be changed.

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Example

A Clients taxonomy has a Terminus ID field named Client ID so other taxonomies can reference each client by a stable code. It has no type-specific settings; only the shared ones such as Name, Description, and Field handle. A client record resolves to something like trm0kf8m2a1q. An automated picklist sourced from Clients can then use Client ID as a level (the field that supplies each option’s code), with the client name as its Label field. A dropdown on a Campaigns taxonomy that uses this picklist stores the client’s Terminus ID, a reference that survives even if the client’s name later changes.

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Gotchas

  • There are no settings. You cannot change the format, length, or add a prefix or suffix.
  • It is fixed and unique. The value is assigned once when the record is created and is unique across your account, which is what makes it safe to use as a reference.
  • One per taxonomy. A taxonomy can use at most one Terminus ID field. Publishing a model where a taxonomy has two is rejected with “taxonomy can have only one terminus_id field”.
  • It mirrors the record’s identifier. It is the record’s own Terminus ID made visible, not a separate ID.
  • It is read-only. The value is generated for you and there is nothing to set or edit in the submission form.