You're seeing just the macro
derive_mutation_input, go back to Cqrs.Absinthe module for more information.
:as- The name to use for the query. Defaults to the command_module name snake_cased with
:arg_types- A list of filter names to absinthe types. See example.
:required- A list of command fields to make required; regardless of how they are defined in the command module.