Ash.Resource.Change.Builtins.set_attribute
You're seeing just the function
set_attribute, go back to Ash.Resource.Change.Builtins module for more information.
Sets the attribute to the value provided.
If a zero argument function is provided, it is called to determine the value.
If a tuple of {:arg, :argument_name} is provided, the value will be read from the argument if supplied.
If the argument is not supplied then nothing happens.