Server Source code Package

AWS Lambda

AWS Lambda source for walkerOS. Works across API Gateway REST (v1), API Gateway HTTP (v2), Lambda Function URLs, and direct invocation. Auto-detects the API Gateway version, supports optional pixel tracking with a 1x1 GIF response, and exposes a built-in health check endpoint.

Where this fits

The AWS Lambda source is a server source in the walkerOS flow:

It receives events via HTTP and forwards them to your destinations.

Installation

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Integrated

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Bundled

Add to your flow.json sources:

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Server sources require platform-specific handlers. For containerized deployments, see Docker.

See bundled mode setup | CLI reference

Configuration

This source uses the standard source config wrapper (consent, data, env, id, ...). For the shared fields see source configuration. Package-specific fields live under config.settings and are listed below.

Settings

Property	Type	Description	More
cors*	boolean | object	CORS configuration: false = disabled, true = allow all origins, object = custom configuration
timeout*	integer	Request timeout in milliseconds (max: 900000 for Lambda)
enablePixelTracking*	boolean	Enable GET requests with 1x1 transparent GIF response for pixel tracking
healthPath*	string	Health check endpoint path (e.g., /health)

* Required fields

Mapping

This package does not define custom rule-level settings. For the standard rule fields (consent, condition, data, batch, name, policy) see mapping.

Examples

api gateway v1 post

Event

Out

lambda get

Event

Out

lambda post

Event

Out

Ingest metadata

Extract request metadata from Lambda events and forward it through the pipeline.

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Available ingest paths

API Gateway v1 (REST API):

Path	Description
requestContext.identity.sourceIp	Client IP address
requestContext.identity.userAgent	User agent string
headers.*	HTTP headers
httpMethod	HTTP method

API Gateway v2 (HTTP API) / Function URLs:

Path	Description
requestContext.http.sourceIp	Client IP address
requestContext.http.userAgent	User agent string
requestContext.http.method	HTTP method
headers.*	HTTP headers

Supported platforms

Platform	Status
API Gateway REST API (v1)	Supported
API Gateway HTTP API (v2)	Supported
Lambda Function URLs	Supported
Direct Lambda invocation	Supported