When using Power Automate with Excel for Business actions, the drive ID for a library is automatically determined. However, if you deploy a Power Automate solution across different environments and use a library as a datasource environment variable, referencing this variable in the flow can result in an error due to an invalid drive ID. Referencing the variable in the Power Automate flow, it will throw an error message failing to work our the drive id of the library.

Introduction In Power Automate/Power Platform, environment variables within solutions are essential for managing and configuring flows across different environments. However, there is no direct way to declare an environment variable as an array. This blog post will cover how to use JSON to store arrays as environment variables, enabling you to manage complex data structures efficiently. Available Environment Variable Types Power Automate offers various types of environment variables you can select and configure: