(PHP 4 >= 4.0.5, PHP 5 <= 5.0.5, PECL mnogosearch >= 1.0.0)
  	
    
      
      Get mnoGoSearch error message
    
    
      
      string udm_error ( resource $agent )
    
    
    
    Gets the agent error message.
Parameters: 
  
      
      
      	agent
    	
 
    	A link to Agent, received after call to udm_alloc_agent().
Returns: 
    udm_error() returns mnoGoSearch error message, empty string if no error.
 
          
Please login to continue.