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this tutorial will walk you through how to create Qabbani scripted fields starting up on the discover page at commit cabana we see a log sesh - thar index pattern in the list of fields that are turned you can think of scripted fields as calculated fields that you can define under the management section that one's defined will show up in this list so let's walk through how to do that under it expands if you have multiple index patterns you need to find the one that you're interested in we only have one so that's one I'm going to use in next two fields you see a scripted fields tab when you click on ads cricket fields you'll be presented with a couple of forms to fill out and also some cautions and instructions this is definitely a power user feature so we recommend that you try this first in development and only then promote to treatment fields to production because after all it is scripting so I'll show you one very simple example we're going to name this field script field expressions because under the language we actually typically by default will only have two options expressions and painless expressions have been there since Gabbana for and this is a limited scripting language that only allows you output to operate on the numbers but it's great for something simple like for instance taking a bytes field and dividing it by 124 0 24 1024 to create a kilobytes field you can have apply a field formatter to a scripted field so the result is displayed as expected and after pressing create field we'll see the resulting field getting created we'll see it in this table on description field so we can come back and modify it at any time now we can also navigate to discover to find it after elasticsearch brings back the fields and calculates the result under here and at that point it looks just like any other field in v that oh there's an option for creating scripted scripted fields a new new language actually called painless and so when I create a scripted field with painless I have access to a much more powerful scripting language that in fact can operate on strings and do things like extract sub strings and even match frigate expressions against strings tune a label regular expression matching I actually need to do that in elasticsearch that ya know because I'm running this an elastic cloud I do this slightly differently and if I go to my cloud cluster if I go to configuration of my cluster there's a special section called user settings that you can use to set certain options for elasticsearch - yamo so I'm going to click update and this will restart my cluster with with the new option so once this is done and I'll be able to run these stupid fields that require regular expression matching I won't go into detail...