# Create a Common Cartridge
cartridge = MultiVersionCommonCartridge::Cartridge.new
cartridge.manifest.set_title('My cartridge')
cartridge.items = [
  MultiVersionCommonCartridge::Item.new.tap do |item|
    item.title = 'My activity'
    item.identifier = 'Some identifier'
    item.resource = MultiVersionCommonCartridge::Resources::BasicLtiLink::BasicLtiLink.new.tap do |lti|
      lti.title = 'My activity title'
      lti.identiier = 'My activity identifier'
      lti.scure_launch_url = 'https://example.com/lti'
    end
  end
]

# Create a Common Cartridge writer for version 1.2.0
writer = MultiVersionCommonCartridge::Writers::CartridgeWriter.new(
  cartridge, '1.2.0'
end

# Finalize the Common Cartridge for the specified version.
writer.finalize

# Check for error
return if writer.errors?

# Write the Common Cartridge
writer.write_to_zip('cartridge.imscc')