@type t() :: %Milvex.Milvus.Proto.Schema.FunctionSchema{
  __unknown_fields__: [Protobuf.unknown_field()],
  description: String.t(),
  id: integer(),
  input_field_ids: [integer()],
  input_field_names: [String.t()],
  name: String.t(),
  output_field_ids: [integer()],
  output_field_names: [String.t()],
  params: [Milvex.Milvus.Proto.Common.KeyValuePair.t()],
  type: Milvex.Milvus.Proto.Schema.FunctionType.t()
}