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Hi everyone,

I'm working on a Genesys Cloud implementation using an **Inbound Message flow in Architect** as the starting point, connected to a **WhatsApp channel**. Mid-flow, I need to redirect the user to a **WebView** that hosts a **Google CCAI (Contact Center AI) Agent** session, and then handle the full return lifecycle back to Genesys.

Architecture / Context:
- Entry point: **Genesys Cloud – Architect Inbound Message Flow**
- Channel: **WhatsApp** (connected to the Inbound Message flow)
- Mid-flow action: Open a **WebView** pointing to a Google CCAI Agent
- After WebView: Resume the Architect flow or return the user to the WhatsApp conversation

My questions are:

1. How to trigger a WebView from within an Architect Inbound Message flow?
From a node inside the Architect Inbound Message flow, what is the recommended way to send the WhatsApp user a message that opens a WebView? Is this done via:
- A **Send Response** action with a URL or button that opens the WebView?
- A **Call Data Action** that triggers an external service to push the WebView link?
- Any native Genesys rich messaging support for WhatsApp interactive buttons pointing to a URL?

2. How to detect the WebView has ended and resume the Architect flow?
Once the user finishes the Google CCAI session inside the WebView, what is the supported mechanism to:
- Signal back to Genesys Cloud that the WebView interaction is complete
- Resume or continue the **Architect Inbound Message flow** from where it paused

Is there a webhook, an Open Messaging API inbound event, or a `postMessage` pattern that Genesys supports for this use case?

3. How to pass the WebView conversation content back into the Architect flow?
After the WebView session ends, we need to retrieve the transcript or key extracted data from the Google CCAI conversation and make it available inside the Architect flow (e.g., as flow variables or conversation attributes) so we can use it in subsequent nodes (routing decisions, agent screen pop, wrap-up data, etc.).

Options I've considered:
- The WebView calls the **Genesys Cloud API** (e.g., Update Conversation or send a message via Open Messaging) to inject data back into the conversation
- The WebView POSTs data to an intermediate backend, which then triggers a **Data Action** inside Architect
- Using **conversation.customAttributes** or flow output variables to store the result

Has anyone implemented a similar pattern starting from an Architect Inbound Message flow? Any working examples, documentation pointers, or best practices would be greatly appreciated.

Thank you!