You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: customers_controller.rb
    path of file: ./repos/siwapp-ror/app/controllers/api/v1
    
    the code of the file until where you have to start completion: class Api::V1::CustomersController < Api::V1::BaseControll
    
  def create
    @customer = Customer.new customer_params
    if @customer.save
      # Check if there is any meta_attribute
      if params[:meta_attributes]
        @customer.set_meta_multi params[:meta_attributes]
      elsif params[:invoice] and params[:invoice][:meta_attributes]
        @customer.set_meta_multi params[:invoice][:meta_attributes]
      end