core.getextensionvalue | Medplum

getExtensionValue() function

Returns an extension value by extension URLs.

Signature:

export declare function getExtensionValue(resource: any, ...urls: string[]): ExtensionValue | undefined;

Parameters [​](/content/docs/sdk/core.getextensionvalue#parameters "Direct link to Parameters"/index.html)

Parameter Type Description
resource any The base resource.
urls string[] Array of extension URLs. Each entry represents a nested extension.

Returns:

ExtensionValue | undefined

The extension value if found; undefined otherwise.