| @alertmanager(= != =~ !~)$value | Match alerts based on the Alertmanager instance name they were collected from. 
                                
                                    
                                        | @alertmanager=prod | Match alerts collected from Alertmanager instance named prod. |  
                                        | @alertmanager!=dev | Match alerts collected from Alertmanager instances except for the one named dev. |  
                                        | @alertmanager=~prod | Match alerts collected from Alertmanager instances with names matching regular expression .*prod.*. |  | 
                    
                        | @receiver(= != =~ !~)$value | Match alerts based on the receiver name. 
                                
                                    
                                        | @receiver=default | Match alerts sent to the default receiver. |  
                                        | @receiver!=hipchat | Match alerts not sent to the hipchat receiver. |  
                                        | @receiver=~email | Match alerts sent to any receiver with name matching regular expression /.*email.*/. |  | 
                    
                        | @state=(active suppresed unprocessed) | Match alerts based on the state. 
                                
                                    
                                        | @state=active | Match only active alerts. |  
                                        | @state=suppressed | Match only suppressed alerts. |  
                                        | @state=unprocessed | Match only unprocessed alerts. |  | 
                    
                        | @silence_author(= != =~ !~)$value | Match alerts based on the author of silence. 
                                
                                    
                                        | @silence_author=me@domain1.com | Match alerts silenced by me@domain1.com. |  
                                        | @silence_author!=me@domain1.com | Match alerts not silenced by me@domain1.com. |  
                                        | @silence_author=~@domain2.com | Match alerts silenced by username that match regular expression /.*@domain2.com.*/. |  | 
                    
                        | @silence_jira(= != =~ !~)$value | Match alerts based on the jira linked in the silence. This only works if JIRA regexp are enabled and able to match JIRA ids in the silence comment body. 
                                
                                    
                                        | @silence_jira=PROJECT-123 | Match silenced alerts where detected JIRA issue id is equal to PROJECT-123. |  
                                        | @silence_jira!=PROJECT-123 | Match silenced alerts where there was no JIRA issue id detected or it was not equal to PROJECT-123. |  
                                        | @silence_jira=~PROJECT | Match silenced alerts where dectected JIRA issue id matches regular expression /.*PROJECT.*/. |  | 
                    
                        | @limit=$value | Limit number of displayed alerts. Value must be a number >= 1. 
                                
                                    
                                        | @limit=10 | Limit number of displayed alerts to 10. |  
                                        | @limit=550 | Limit number of displayed alerts to 550. |  | 
                    
                        | @age(< >)$value | Match alerts based on creation timestamp. 
                                
                                    
                                        | @age>15m | Match alerts older than 15 minutes. |  
                                        | @age>1h | Match alerts older than 1 hour. |  
                                        | @age<10h30m | Match alerts newer than 10 hours and 30 minutes. |  |