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In the next few videos, we're going to look at dashboard variables and how you apply them.

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For example, dashboard variables are what's behind these drop downs.

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When you change your variable dynamically updates this table, the single stats and these graphs, and

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it can automatically draw as many as it needs, depending on how you form your queries and how you form

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your visualizations.

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For example, is for single stats to two or go back to that one.

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There are many rows and there are many more single stats.

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So as we learn about the dashboard, variables will recreate this whole dashboard and you will learn

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everything you need to know about dashboard variables and how they are applied.

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Let's get started.

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Let's go to create a new dashboard.

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And we'll just go straight to Dashboard's sitting's I'm going to call this dashboard.

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Variables, for example, good, let's go straight to variables now, add a variable, and our first

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variable is going to be a high interval and I'm going to call it interval.

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That's the variable name and that's the name we'll use in further queries as we go further along.

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That'll make sense.

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And I can actually give it a specific label to say interval like that.

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The difference here is I have a couple.

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I can be anything you like.

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This is the label that will appear on the dashboard interface.

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So let's add that.

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Well, there's some predefined values.

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One minute, 10 minutes, 30 minutes.

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We'll leave those.

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Let's just add that this preview that now.

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OK, so here's a dropdown interview with some values.

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And behind the scenes, there's a variable called interval that I can use for further queries.

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It's quite another variable.

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It's verbal, OK, right, as a OneSource variable, I'm going to call it just I'm just going to call

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DataSource.

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The type will be Maisky, well, if we look down, here is a preview of values already crowded Mocksville

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of Molecules Urbex.

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These are these these values are pulled from what he knows about data sources already.

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Now we have this regexp here so we can filter these further using this regex.

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So let's just say, for example, I had many more Moyse, many more Ezekial data sources of different

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types, say Microsoft or Oracle as well.

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I could say show me only the ones with my Esquibel.

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OK, so that didn't change anything.

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Let's just say I had Ali show me the Microsoft.

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Eskimo's was none of those or me only Oracle is none of those or even Shamy just the ones with the words

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urbex, for instance, Moscow's urbex or just the ones with the word Eskil.

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What's all of them?

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Or just remove it all together.

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Okay, so let's just add that and preview that quickly.

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OK, DataSource Maskew.

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We can dynamically change a data source that way, this create some more.

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I'm not going to use that to create this final dashboard so I can delete that now, but the next one

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I create will be one called.

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Oast.

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That will be a query and the label will be a bit nicer, Bain Capital, which like so the data source

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will be in flux, deve be the refreshers on time range change and the query will be show tag values

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from interface with key age enhanced.

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If we were to go into explore, we would see when we select influx, they will have the option to query

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interface and then also to drill down by selecting Ironhorse.

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That's where this information can be found.

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OK, we can also sort of we want to we don't really need to.

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It's good enough.

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So there's a preview of the current values that I'm able to query through in flux.

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DB So those three let's let's add that.

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Got a quick preview.

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My go host, my three hosts, my SNP hosts.

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I've set up in the last few videos to one minute let's add another one and another variable, quite

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new one, and this one will be called interface.

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The equerry liability interface, and this gives us an option to drill down to specific network interfaces

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if we really want to, but we'll see what this does to select influx DB refresh on time range change

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query will be.

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Should I take values into Facebook if description where agent host equals post?

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Now that's the value we created.

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What a variable we had just a few moments ago.

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So that's.

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Also, alphabetically, I hope there's a preview of value so far, so we can see that it's actually

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working and that go to dashboard and we can see now.

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So when we choose a host, we're going to there.

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If we change our host, because this is the query behind this is querying this value.

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It updates like so much.

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Again, it's updated again.

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And we go and we'll show you one more last one that you can do.

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Well, we have several different kinds.

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I'll show you one for a custom custom here so we can have a custom drop down, for example, doing anything

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we like a, b, c, d, e, f, g, h, i, j, k, l, for example, can be multi value.

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We can clear the all option.

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There's a preview at.

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Must have a name.

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So my custom.

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Let's add that and we can preview that in the video custom, maybe so you can select all or selected

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or toggle or select individually.

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I like.

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I'm not going to use that in the final dashboard so I can delete it, let's save our progress.

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The next thing will do was at a table that uses this information.