---
type: "fhir-fhirpath-function"
title: "FHIR FHIRPath Function: %factory.Identifier"
source: "source/fhirpath.html"
---

# FHIR FHIRPath Function: %factory.Identifier

This page is part of **FHIR FHIRPath** (FHIR-specific extensions). Base spec lives at [FHIRPath](/fhirpath).

`%factory.Identifier(system, value, use, type) : Identifier`

Creates an identifier with the given properties: `%factory.Identifier('urn:ietf:rfc:3986', 'urn:oid:1.2.3.4.5', 'official')`.

Parameters:

-   **system**: a string value that goes in Identifier.system
-   **value**: a string value that goes in Identifier.value
-   **use**: a string value that goes in Identifier.use
-   **type**: a CodeableConcept that goes in Identifier.type

**Return Value:** An identifier with the specified properties .

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