Customize ad workflows with AWS Elemental MediaTailor Monetization Functions

This article introduces AWS Elemental MediaTailor Monetization Functions, enabling custom ad-insertion workflows using JSONata expressions without external infrastructure.

• Run custom business logic at defined ad-insertion workflow stages directly within MediaTailor
• Three function types: CUSTOM_OUTPUT for data transformation, HTTP_REQUEST for external calls, SEQUENTIAL_EXECUTOR for chained steps
• Two lifecycle hooks: PRE_SESSION_INITIALIZATION and PRE_ADS_REQUEST for different workflow stages
• Fetch identity tokens, rewrite ad server URLs, add custom headers, and apply conditional logic
• Walkthrough example: Integrate LiveRamp identity enrichment to personalize ad targeting
• CloudWatch metrics and logs provide observability for function execution and errors
• 2-second execution budget per hook; HTTP responses limited to 2,000 characters
• Pricing: $0.0001 per hook invocation; available in all MediaTailor regions

MediaTailor Monetization Functions simplifies ad workflow customization by eliminating separate infrastructure deployment while maintaining performance and observability.