---
title: "Service: /members/{member}/groups/{group}/uris/{uri}/fragments/{+fragment}/transform [POST]"
source: https://dev.pageseeder.com/api/services/transform-uri-fragment-POST.html
description: "Transform Fragment's Content"
last_updated: 2026-08-07T17:09:54+10:00
document_type: api_endpoint
operation_id: psml-POST
resource_id: psml
path_template: /members/{member}/groups/{group}/uris/{uri}/fragments/{+fragment}/transform
http_method: POST
api_category: psml
implementation_version: null
api_since: 6.0000
deprecated_since: null
obsolete_since: null
api_support: experimental
cache_control: N/A
generated_at: 2026-08-07
tokens: ~531
---

# /members/\{member\}/groups/\{group\}/uris/\{uri\}/fragments/\{+fragment\}/transform \[POST\]

## Description

Transform fragment's content using XSLT.

If `preview=true` or `diffx=true`, no edit is created and the result of the transformation is returned. Parameters `labels`, `lastmodifed`, `note`, `note-title` and `note-labels` are ignored then.

## Parameters

| Name | Description | Required | Type | Default value |
| --- | --- | --- | --- | --- |
| diffx | If 'true', edit is not created but result of transformation diff is in the output | no | boolean | `false` |
| labels | Comma-separated list of edit labels | no | string | `[transformed *fragment/@labels]` |
| lastmodified | The last modified date/time (ISO 8601) of the fragment (prevents edit clashes) | no | string |  |
| note | content for edit notes (if exists creates a note) | no | string |  |
| note-labels | Comma-separated list of labels for the note (if exists creates a note) | no | string |  |
| note-title | title for edit note | no | string | `Edit note` |
| preview | If 'true', edit is not created but result of transformation is in the output | no | boolean | `false` |
| reload | If 'true', the transformation script cache is cleared | no | boolean | `false` |
| transformation | Name of the XSLT to use (without `.xsl` extension). Maps to `/quickfix/[transformation].xsl` in project template. | yes | string |  |
| parameter.\* | Any parameter used by the XSLT, with the parameter name after the dot. | no | string |  |

## Permission

This service requires contributor or higher.

## Response

The output has the following format:

```lang-xml
<fragment-transform [preview="true"] [diff="true"]>
  <!-- Transformed fragment (no transcluded content) -->
</fragment-transform>
```

## Error Handling

| 0x120B | Error processing xrefs |
| --- | --- |
| 0x120C | Error creating fragment |
| 0x120D | Content validation error |
| 0x120E | lastmodified date is invalid |
| 0x120F | Someone has modified the fragment while you were editing |
| 0x122D | The fragment is invalid (no match) |
| 0x1225 | The fragment is invalid (wrong case) |