How can I extend the structure definition in patient profile in node-fhir-server-core

Question

This issue is migrated from a question on our Github account because we want the answer to be available to others. Here is the original question:

I need to add custom data field to patient FHIR object, There are any way to Extend structure definition in FHIR patient object in Asymmetrik/node-fhir-server-core

Answer 1

Original answer provided by Jon Lee:

You can definitely add an extension to the Patient resource. The Patient Object extends the DomainResource which should give you access to the Extension Object.