Pedro Machado12/01/2020, 5:09 AM
parameter that is not required. When the parameter is passed, we validate it and use it in the flow. When it's not passed, we use the flow's
to derive the start date. This complicates the flow a little bit. I normally have to create a downstream task that takes the
result and applies this logic. I was thinking that it would be nice to be able to pass a callable as the
argument of the
class to provide a value if the parameter is missing. Similarly, it would be nice to have a
callable that could be used to validate the parameter value. Is there another way to accomplish this? Thoughts?