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Blocks are specialized wrappers for delegates that act as atomic building blocks for a Flow. Ideally, each atomic action within a Flow should be wrapped by and execute inside of a Block of some sort.

The delegate input is the central part of the Block and can be a multitude of various constructs, such as:

  • A method defined somewhere in your class library or its dependencies.
  • A delegate.
  • An Action.
  • A Func.
  • A lambda expression.

Blocks track start and end execution times, emit internal logging events, encapsulate their own retry logic and timeout logic, and more.

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