Temporal Signal
CertifiedSend a signal to a running Temporal workflow
Temporal Signal
Send a signal to a running Temporal workflow
Sends a named signal with optional arguments to an existing workflow execution. The task fails with a clear error if the workflow is not found or has already completed.
type: io.kestra.plugin.temporal.workflow.SignalExamples
Send an approval signal to a running workflow.
id: approve_order
namespace: company.team
tasks:
- id: signal
type: io.kestra.plugin.temporal.workflow.Signal
endpoint: "localhost:7233"
workflowId: "order-{{ inputs.orderId }}"
signalName: "approve"
args:
- '"approved"'
Properties
endpoint *Requiredstring
Temporal server endpoint
Host and port of the Temporal frontend service in host: port format.
For Temporal Cloud, use the gRPC endpoint for your namespace,
e.g. <namespace>.tmprl.cloud: 7233.
signalName *Requiredstring
Signal name
Must match the signal handler name registered on the workflow.
workflowId *Requiredstring
Workflow ID
The ID of the workflow execution to signal.
apiKey string
API key for Bearer token authentication
Used with Temporal Cloud. Sent as Authorization: Bearer <apiKey> on every
gRPC call; TLS is enabled automatically when this property is set.
Mutually exclusive with mTLS properties.
args array
Signal arguments
List of JSON-encoded argument strings, one per signal parameter.
caCert string
PEM-encoded CA certificate
Verifies the server certificate. Can be used alone for one-way TLS
with a custom CA, or together with clientCert/clientKey for mTLS.
clientCert string
PEM-encoded client certificate
Used in mTLS mode. Must be provided together with clientKey.
clientKey string
PEM-encoded client private key
Used in mTLS mode. Must be provided together with clientCert.
namespace string
Temporal namespace
Defaults to default. For Temporal Cloud, typically <namespace>.<accountId>.
pluginDefaultsRef Non-dynamicstring
Reference (ref) of the pluginDefaults to apply to this task.
runId string
Run ID
Optional. When omitted, the signal targets the latest open run of the given workflow ID.
