Implementing an External Activity
An External Activity is a .NET assembly made available as a Template Building Block in Content Manager that implements the business logic of your Automatic Activity and/or Activity expiration script.
External Activities and C# script Activities
Implementing an Automatic Activity or Activity expiration script in C#
Suspending and resuming an Automatic Activity
Creating and uploading the .NET assembly for your External Activity
Implementing an Automatic Activity script or Activity expiration script
External Activity sample implementation