code: def cli(env, access_id, password):
      
  
      block_manager = SoftLayer.BlockStorageManager(env.client)
  
      result = block_manager.set_credential_password(access_id=access_id, password=password)
  
      if result:
          click.echo('Password updated for %s' % access_id)
      else:
          click.echo('FAILED updating password for %s' % access_id)
docs: Changes a password for a volume's access.
  
      access id is the allowed_host_id from slcli block access-list