Office Scripts: a required parameter is not visible in PowerAutomate

I've encountered an issue with a complex Office Scripts that involves passing parameters from previous steps in PowerAutomate. It was functioning properly, but suddenly stopped working since last Monday. I'm unsure whether the script has become too intricate or if there have been changes in the PA environment. The script employs interface options and nested functions without any apparent syntax errors. However, when I add more lines of code to enhance its functionality, a parameter box (referred to as draftTab) disappears within PA. Identifying which specific lines are causing the issues has proven challenging. Do you have any insights on resolving this matter?

Script provided below:

 //SCRIPT CODE HERE 

I attempted to identify problematic lines by removing all code and painstakingly re-entering each line, yet remained unable to pinpoint the source of the issue. Additionally, reintroducing the Excel connector within PA resulted in failure.

Answer №1

The reason why your script is failing is due to the interface definition.

interface clsVariable {
  Name: string;
  Label: string;
  Type: string;
  CollectionLength: string;
  Format: string;
  Class: string;
  Required: string;
  [Config: string]: string;
  ValidValues: clsValidValue[];
}

The presence of [Config: string]: string; allows for arbitrary values in the return value, causing issues with Power Automate's ability to parse the script at design time. To resolve this issue, the correct syntax for defining an interface with arbitrary values would be:

interface clsVariable {
  ...
  [Config: string]: string | clsValidValue[];
  ValidValues: clsValidValue[];
}

This revised syntax will eliminate any errors and conflicts between property types within the interface.

Answer №2

It's amazing how simple the solution was once I found it myself without asking a question. Just utilize JSON objects and methods like so: Use JSON.stringify() to convert data into a string for PowerAutomate Then, leverage JSON.parse() to reconstruct the structure in another script. This approach is incredibly straightforward and adaptable. P.S. Apologies to the Admin for any unintended spam :)

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