---
title: IdentifierDefinition
slug: data-platform/connect-platform/node-sdk-api-reference-odp-interfaces-identifierdefinition
docTags: 
createdAt: 2026-08-05T20:06:38.318Z
---

[ODP Node SDK](docId\:gxEU_0AA37IEZJK-uoVcT)

***

[ODP Node SDK](docId\:gxEU_0AA37IEZJK-uoVcT) / [ODP](docId\:R8vto_M9Wlz5ke8bcr-Ht) / IdentifierDefinition

# Interface: IdentifierDefinition

Defined in: [src/Api/Types/Schema.ts:120](https://github.com/ZaiusInc/node-sdk/blob/8c86908a179d8d1a3a54466e27e16762587be133/src/Api/Types/Schema.ts#L120)

The ODP Identifier definition payload for schema API.
See [V3 Schema API](docId\:gsV1hnEbOcXmtOoLDrWVs)
for details.

## Properties

### display\_name

:::BlockQuote
**display\_name**: `string`
:::

Defined in: [src/Api/Types/Schema.ts:130](https://github.com/ZaiusInc/node-sdk/blob/8c86908a179d8d1a3a54466e27e16762587be133/src/Api/Types/Schema.ts#L130)

The human-readable name, ending with title-case version of the name suffix: " ID", " Hash", " Number", " Token",
" Alias", " Address", or " Key".

***

### merge\_confidence

:::BlockQuote
**merge\_confidence**: `"low"` | `"high"`
:::

Defined in: [src/Api/Types/Schema.ts:136](https://github.com/ZaiusInc/node-sdk/blob/8c86908a179d8d1a3a54466e27e16762587be133/src/Api/Types/Schema.ts#L136)

The level of confidence that this identifier can be used to merge customer profiles together. If the identifier
is likely to be shared between individuals (eg, a shared device token), this value should be set to "low". If it
is very deterministic (eg, a personal account ID), this value should be set to "high".

***

### messaging?

:::BlockQuote
`optional` **messaging**: `boolean`
:::

Defined in: [src/Api/Types/Schema.ts:140](https://github.com/ZaiusInc/node-sdk/blob/8c86908a179d8d1a3a54466e27e16762587be133/src/Api/Types/Schema.ts#L140)

Whether this identifier can be used to message customers within campaigns.

***

### name

:::BlockQuote
**name**: `string`
:::

Defined in: [src/Api/Types/Schema.ts:125](https://github.com/ZaiusInc/node-sdk/blob/8c86908a179d8d1a3a54466e27e16762587be133/src/Api/Types/Schema.ts#L125)

The field name of the identifier, ending with one of the known suffixes: "\_id", "\_hash", "\_number", "\_token",
"\_alias", "\_address", or "\_key".