Calling a shared module from multiple inbound flows in Architect

Architect & Flows
1

Trying to reuse a Common Module for auth across three inbound flows. The docs say you just add the module to the flow, but when I trigger it, the context variables from the main flow are null inside the module. Is there a specific JSON mapping or API call needed to pass the interaction data? Or do I have to use a Data Action to merge the payloads before the module call?

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2

Context variables don’t pass by magic into shared modules. You have to explicitly define the inputs in the module definition.

Here’s how I handle this in my flows:

  • Define inputs in the Shared Module. Go to the module settings and add the variables you need (e.g., authToken, userId) as input parameters.
  • Map the values in the parent flow. When you drop the module into the inbound flow, you’ll see a configuration panel. Map the current flow’s variables to the module’s input parameters.
{
 "module": {
 "id": "shared-auth-module",
 "inputs": {
 "authToken": "{flow.authToken}",
 "userId": "{flow.userId}"
 }
 }
}

If the variables are still null, check the scope. Make sure the source variables are set at the conversation level, not just step level. Step-level variables often disappear when the context switches to a module execution.

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