Arguments

• types: Keyword list of {name, type}. The name is stored in the database in order to identify what type to use in runtime.
• type_field: Name of the field used to the type of that particular object. Default is :__type__.

Example

defmodule EctoPoly.TestChannelData do
  use EctoPoly, types: [
    sms: TestSmsChannel,
    email: TestEmailChannel,
  ]
end