X3m.System.GenAggregateMod.commit

You're seeing just the callback commit, go back to X3m.System.GenAggregateMod module for more information.
Link to this callback

commit(pid, arg2, arg3, integer)

View Source

Specs

commit(pid(), String.t(), X3m.System.Message.t(), integer()) ::
  {:ok, X3m.System.Aggregate.State.t()} | :transaction_timeout