Defines multiple properties for a schema with a custom DSL syntax.

Examples

iex> alias PhoenixSwagger.Schema
...> %Schema{type: :object}
...> |> Schema.properties do
...>      name :string, "Full Name", required: true
...>      dateOfBirth :string, "Date of birth", format: :datetime
...>    end
%PhoenixSwagger.Schema{
  type: :object,
  properties: %{
    name: %PhoenixSwagger.Schema{
      type: :string,
      description: "Full Name",
    },
    dateOfBirth: %PhoenixSwagger.Schema{
      type: :string,
      description: "Date of birth",
      format: :datetime
    }
  },
  required: [:name]
}