PhoenixSwagger.Schema.min_items

You're seeing just the function min_items, go back to PhoenixSwagger.Schema module for more information.

min_items(model, value)

Restricts the minimum number of items in an array schema.

iex> alias PhoenixSwagger.Schema
...> %Schema{type: :array}
...> |> Schema.min_items(1)
%PhoenixSwagger.Schema{type: :array, minItems: 1}