Update worker with external identifier using REST API

Summary

How to update a worker using the ExternalIdentifierNumber instead of the internal hex record id

Content

Hi there,

does anyone know how to update a worker using the ExternalIdentifierNumber instead of the internal hex record id?
The hex id is not know by external systems and this makes integrations heavy and uncomfortable.

Instead of:

PATCH <code class="codeph" id="ModifyingACollection-125DA9CC__reference-120-125DFF55" style="box-sizing: border-box; font-family: "Courier New", Courier, monospace; padding: 0px; border-radius: 0px; background-image: inherit; background-position: inherit; background-size: inherit; background-repeat: inherit; background-attachment: inherit; background-origin: inherit; background-clip: inherit; display: inline-block;">/resources/11.13.18.05/workers/00020000000EACED000577080000000000000018

using something like this: