MongoDB\Driver\Monitoring\CommandStartedEvent::getServerConnectionId
  Returns the server connection ID for the command
  
 
  Description
  
   final public intnull MongoDB\Driver\Monitoring\CommandStartedEvent::getServerConnectionId()
  
  
 
  Parameters
  This function has no parameters.
  
 
  Return Values
  
   Returns the server connection ID, or null if it is not available.
  
  
 
  Errors/Exceptions
  
   - Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.