FHIR Query Handler
Category: Healthcare Standards: FHIR R4 · HIPAA
Query FHIR resources with advanced search parameters, pagination, and _include support
What this node does
- Advanced FHIR search
- Pagination
- _include/_revinclude
- Search caching
How to use
- In the Hydra Builder, open or create a workflow
- In the node palette on the left, find FHIR Query Handler under the Healthcare category (or use the search bar)
- Drag the node onto the canvas
- Double-click the node to open its configuration dialog
- Fill in the required parameters (see Configuration below)
- Connect the Resource Type input port from an upstream node
- Optionally connect the Search Parameters port if needed
- Connect the FHIR Bundle and Resources Array output to the next node downstream
Inputs
| Port | Type | Required | Description |
|---|---|---|---|
| Resource Type | text | ✓ | Plain text string |
| Search Parameters | json | Optional | JSON data object |
Outputs
| Port | Type | Description |
|---|---|---|
| FHIR Bundle | fhir-bundle | A FHIR R4 Bundle containing one or more resources |
| Resources Array | array | A list of items |
Configuration
Open the configuration dialog by double-clicking the FHIR Query Handler node on the canvas.
| Parameter | What to enter |
|---|---|
resourceType | The FHIR resource type to operate on, e.g. Patient, Observation |
searchParams | FHIR search parameters as key-value pairs, e.g. {"status": "active"} |
_include | Configure _include in the node settings |
_count | Configure _count in the node settings |
cacheEnabled | Configure cacheEnabled in the node settings |
When to use this node
- Query patient data
- Search observations
- Find conditions with related resources
Need help configuring this node?
Go to Settings → Connectors to set up the connection this node depends on, then reference the connector ID in the node configuration dialog.