AWS Lambda

Invoke AWS Lambda functions from your workflow

This node signs in with a credential: AWS Signature V4. See Connect a credential.

Actions

Steps this node can perform. Add one from Add a step, then pick the action.

Invoke Lambda Function

Invoke an AWS Lambda function with the specified payload

Settings

Field	Type	Required	Description
Function Name	Choice (loaded from your account)	Yes	The name, ARN, or partial ARN of the Lambda function to invoke
Invocation Type	Choice	Yes	Choose how to invoke the Lambda function Options: Request Response (Synchronous), Event (Asynchronous / Fire and Forget), Dry Run (Validate parameters only) Default: RequestResponse
Payload	JSON		JSON payload to send to the Lambda function. Can be any valid JSON object.
Qualifier (Version/Alias)	Text		Specify a version or alias to invoke a specific function version. Leave empty for $LATEST.
Log Type	Choice		Set to 'Tail' to include execution logs in the response (only for RequestResponse) Options: None, Tail (Include last 4KB of logs) Default: None
Client Context	Text		Base64-encoded client context data to pass to the Lambda function (max 3583 bytes)

Output

Later steps use this data by picking this step in the $ picker. For example, statusCode is $.<step ID>.output.statusCode.

{
  "statusCode": 0,
  "payload": "string",
  "functionError": "string",
  "executedVersion": "string",
  "logResult": "string",
  "requestId": "string"
}

Example values show the shape of the data, not real values. See Using data from earlier steps.

Field descriptions

Field	Type	Description
statusCode	Number	HTTP status code from Lambda invocation
payload	any	Response payload from the Lambda function
functionError	Text	Error type if the function returned an error (Handled or Unhandled)
executedVersion	Text	The version of the function that was executed
logResult	Text	Base64-encoded last 4KB of execution log (only for RequestResponse with LogType=Tail)
requestId	Text	Unique request ID for the invocation

List Lambda Functions

List all Lambda functions in the AWS account

Settings

Field	Type	Required	Description
Max Items	Number		Maximum number of functions to return (1-10000) Default: 50

Output

Later steps use this data by picking this step in the $ picker. For example, count is $.<step ID>.output.count.

{
  "count": 0,
  "functions": [
    {
      "functionName": "string",
      "functionArn": "string",
      "runtime": "string",
      "description": "string",
      "lastModified": "string"
    }
  ]
}

Example values show the shape of the data, not real values. See Using data from earlier steps.

Field descriptions

Field	Type	Description
count	Number
functions[]	List
functions[].functionName	Text	The name of the Lambda function
functions[].functionArn	Text	The Amazon Resource Name (ARN) of the function
functions[].runtime	Text	The runtime environment for the Lambda function
functions[].description	Text	The description of the function
functions[].lastModified	Text	The date and time that the function was last modified