change background image when event rise

[ronenp]

hello,
i am new to splunk and need a bit of help,
how can I change the backgound image when getting an event ?

thank you for your help

[ronenp]

i need a specific (rare) event so the change is not often , even another overlay on a specific image will do the trick for me

[skoelpin]

Can you clarify a bit more? I get several thousand events per second. Why would you want the background to change so often? It also sounds resource intensive