Ash.Changeset.get_argument_or_attribute

You're seeing just the function get_argument_or_attribute, go back to Ash.Changeset module for more information.

get_argument_or_attribute(changeset, attribute)

get_argument_or_attribute(t(), atom()) :: term()

Gets the value of an argument provided to the changeset, falling back to Ash.Changeset.get_attribute/2 if nothing was provided