https://www.elastic.co/guide/en/kibana/5.x/document-context.html
I see the document show here have filter, but my kibana 5.4.3 don't. which version should I use?
Hi @Ryan_Qian,
you are looking at the documentation for the next 5.x release, which will be version 5.5.0. The release will happen "very soon" 
, so stay tuned. Please feel free to give feedback here or on GitHub when you had the chance to try it yourself.