Describe Custom Domains

apprunner.describe_custom_domains
ActionAmazon Web Servicesconnection required

Calls the AWS apprunner API (SigV4).

Return a description of custom domain names that are associated with an App Runner service.

Connection

Required
Yes — the node will not save without one
Auth type
API key
Providers
AWS App Runner
Secret shape
{"access_key_id", "secret_access_key"}
Config it needs
region
Resolved by
config.connection_id, else node.connection_id

Configuration

3 fields, 1 required. A dotted path is a nested object and name[] an array of objects — the editor renders the same tree.

FieldTypeRequiredDefaultConstraintsExample
region
AWS region (overrides the connection).
stringNo———
service_arn
The Amazon Resource Name (ARN) of the App Runner service that you want associated custom d
stringYes———
max_results
Maximum items to return.
numberNo50≥ 1—

Example configuration

Every value below is the contract’s own example or default — nothing invented.

{
  "max_results": 50
}

Output

One shape.

result

FieldTypeExample
DNSTarget
string—
ServiceArn
string—
CustomDomains
array—
VpcDNSTargets
array—
{
  "CustomDomains": [],
  "DNSTarget": "",
  "ServiceArn": "",
  "VpcDNSTargets": []
}

See Describe Custom Domains run in a workflow.

In a technical demo we add the AWS App Runner connection, drop the node on the canvas and let Workflow Health pre-flight it before the first real run.