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

# FHIR FHIRPath Function: %server.patch

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

`%server.patch(parameters) : Resource`

Perform a patch operation on the server.

Parameters:

-   **parameters**: A parameters resource for [FHIRPath Patch](fhirpatch)

**Return Value:** The resource after the patch. If the patch fails, the return value is empty.

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[Back to FHIR FHIRPath](/fhir-fhirpath)