Changing the target runtime version of Azure Functions

Azure Functions 2.x runtime is based on .NET Core 2 from .NET Framework 4.7 in 1.x. So, any application migrating from 1.x to 2.x needs to make sure that they are using and referring the compatible code and libraries.

We can also update our Azure Functions to target the appropriate runtime using the below steps à

Inside Azure Portal, select the Function App, click on Application Settings within Platform Features tab.

We can specify the version number for the APP SETTING NAME – FUNCTIONS_EXTENSION_VERSION

~ tilde à indicates that the latest version of that major version.

Get all the details here

Hope it helps..


The type or namespace name Xrm could not be found (are you missing a using directive or an assembly reference?) error while using Azure Functions 2.x

Recently while working on Azure Functions (, we started getting the error that type or namespace Xrm could not be found.

We had added the project.json file with appropriate NuGet Package reference inside it

It was later we realized that project.json file have been replaced with function.proj in Azure Function 2.0.

More details here

Hope it helps..