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: sap_soap_rfc_dbmcli_sxpg_command_exec.rb
    path of file: ./repos/metasploit-framework/modules/auxiliary/scanner/sap
    
    the code of the file until where you have to start completion: ##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

##
# This module is based on, inspired by, or is a port of a plugin available in
# the Onapsis Bizploit Opensource ERP Penetration Testing framework -
# http://www.onapsis.com/research-free-solutions.php.
# Mariano Nunez (the author of the Bizploit framework) helped me in my efforts
# in producing the Metasploit modules and was happy to share his knowledge and
# experience - a very cool guy. I'd also like to thank Chris John Riley,
# Ian de Villiers and Joris van de Vis who have Beta tested the mo
    
  def initialize
    super(
      'Name' => 'SAP /sap/bc/soap/rfc SOAP Service SXPG_COMMAND_EXEC Function Command Injection',
      'Description' => %q{
          This module makes use of the SXPG_COMMAND_EXEC Remote Function Call, through the
        use of the /sap/bc/soap/rfc SOAP service, to inject and execute OS commands.
      },
      'References' =>
        [
          [ 'URL', 'https://labs.f-secure.com/tools/sap-metasploit-modules/' ],
          [ 'URL', 'https://labs.f-secure.com/archive/sap-parameter-injection/' ]
        ],
      'Author' =>
        [
          'nmonkee'
        ],
      'License' => MSF_LICENSE
      )
    register_options(
      [
        Opt::RPORT(8000),
        OptString.new('CLIENT', [true, 'SAP Client', '001']),
        OptString.new('HttpUsername', [true, 'Username', 'SAP*']),
        OptString.new('HttpPassword', [true, 'Password', '06071992']),
        OptEnum.new('OS', [true, 'Target OS', "linux", ['linux','windows']]),
        OptString.new('CMD', [true, 'Command to run', "id"])
      ])
  end