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In the fast-paced world of logistics, real-time visibility and reliability are everything. At Smartlinks, with the help of TRUKR we’ve reimagined the traditional proof of delivery (POD) process using event-driven architecture, making every step of the trip—from creation to completion—intelligent, automated, and verifiable.

Our Event-Driven EPOD (Electronic Proof of Delivery) Workflow ensures that every movement, update, and confirmation across the delivery lifecycle is captured as an event, enabling faster responses, cleaner integrations, and improved accountability.

 

What Is an Event-Driven EPOD Workflow?

Unlike static or manual workflows that rely on periodic updates or user intervention, an event-driven workflow reacts automatically to changes in real time. Each action within the delivery cycle—like trip creation, stop updates, check-ins, check-outs, and POD submission—emits an event. These events are then consumed by various backend services that perform specific actions, such as sending notifications, updating dashboards, or triggering new processes. This architecture helps Trukr maintain real-time synchronization between drivers, shippers, receivers, and internal systems without manual effort.

 

How Trukr’s Event-Driven EPOD System Works

In Trukr, every logistics milestone is tracked as an event. Here’s a look at the key event types:

1. Trip Creation/ Update: When a new trip is created or an existing trip is updated, Trukr emits a corresponding trip created or trip updated event. These events act as the foundation for initializing the entire trip lifecycle within our event-driven system. 

 

2. Stop Check-In/ Check-Out: This is where real-time intelligence truly shines in Trukr’s event-driven workflow. These events help maintain complete visibility of vehicle movement and stop-level activity across the trip.

This ensures that every stakeholder — from warehouse to receiver — knows exactly when the truck has departed and when to expect its arrival, delivering complete operational transparency.

 

3. Trip Cancel/ Complete: When a trip reaches its final state — either cancelled or completed — Trukr emits a corresponding trip cancelled or trip completed event. These final status events mark the end of active tracking and trigger essential downstream workflows that ensure operational closure and compliance.

By handling trip completion or cancellation as a final state event, Trukr ensures that every trip ends with verified delivery data, accurate temperature compliance insights, and complete operational traceability from start to finish.

4. Temperature Alerts Between Stops: Maintaining temperature integrity is critical in logistics — especially for temperature-controlled or sensitive goods. In Trukr, we’ve embedded event-driven temperature alerting into the trip workflow to ensure proactive monitoring and instant visibility.

This event-driven temperature alert system enables real-time intervention and ensures that temperature-sensitive shipments maintain product quality and compliance throughout the journey.

5. POD Upload and OTP Validation — Enhancing Trust in Deliveries: In Trukr’s event-driven EPOD workflow, accuracy and transparency are at the core of every delivery. To build stronger trust between drivers and receivers, Trukr has introduced an OTP-based validation mechanism within its POD Lite mobile app, ensuring that every delivery confirmation is verified in real time.

When a driver submits delivery details through POD Lite, an OTP is automatically sent to the receiver’s registered email or phone number. The receiver validates this OTP to confirm that the actual quantity delivered matches what was received. Only after this verification does Trukr mark the EPOD as complete.

This in-app OTP validation ensures:

  • Real-time confirmation between driver and receiver.
  • Accurate and dispute-free delivery records.
  • A verified digital proof of delivery that enhances accountability and trust across all stakeholders.
 

Bringing It All Together

At Trukr, our event-driven EPOD workflows redefine how logistics operations capture, process, and act on delivery data. By treating every trip update, stop event, and delivery confirmation as a signal for real-time action, we’re building a logistics ecosystem that is smarter, more transparent, and inherently reliable.

This approach doesn’t just automate tasks — it empowers every stakeholder with live intelligence, enabling proactive decision-making and faster, error-free deliveries. With event-driven architecture at its core, Trukr continues to transform the proof of delivery from a static record into a dynamic, verifiable experience — one event at a time.

SURESH ONTERU
SENIOR SOFTWARE DEVELOPER

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