expr(Money.positive(^arg(:amount))), I've tried and get a Spark DSL error.get_by a resource (similar to how we do it for code_interface) than having to define a separate action? - or does this go against the ethos of Ash.Flow, currently it seems slightly disjointed, with one part of the API encouraging one way and providing nice helpers, but another part not being really integrated, I'm assuming this is just me wanting to use it wrong and carry over certain bad habits / not knowing the magic helpers that do exist...input of a read step passed through to the action directly, i.e: can I pass in a load/2 as part of the input template? Or is it encouraged to just have a separate step loading the related data?