core.evalfhirpath | Medplum
evalFhirPath() function
Evaluates a FHIRPath expression against a resource or other object.
Signature:
export declare function evalFhirPath(expression: string | FhirPathAtom, input: unknown, variables?: Record<string, TypedValue>, cache?: LRUCache<FhirPathAtom> | undefined): unknown[];
Parameters
| Parameter | Type | Description |
|---|---|---|
| expression | string | FhirPathAtom | The FHIRPath expression to evaluate. |
| input | unknown | The resource or object to evaluate the expression against. |
| variables | Record<string, TypedValue > | (Optional) A map of variables for eval input. |
| cache | LRUCache < FhirPathAtom > | undefined | (Optional) Cache for parsed ASTs. |
Returns:
unknown[]
The result of the FHIRPath expression against the resource or object.