# Using Variables to map data

[In the previous section, you learned how to create Integration templates using the Wizard Builder feature](/kb/appmixer-studio-features/creating-an-integration-template.md). Now, it's time to map data between different components using Variables.

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How to use Variables to map data?
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Variables are placeholders for data that will be only known at flow runtime. They let you use data from one component in other - connected - components.&#x20;

For example, a component that triggers with new messages in a private Slack channel passes data to a component that sends SMS for each new message. In the SMS text, the original Slack message is passed using Variables.

![Mapping data between Slack and Twilio using Variables](/files/-MfCAYjDnGt00EVWakkg)

Notice that we've used the Variables picker on the right to show available variables. This icon and, most importantly, the variable feature is available to you any time you create a flow. Thus, you can map data between any pre-built apps and utilities, or any other component that you build yourself.

Now that you know how to use variables to map data between different components, [let's see how you can alter the data using Modifiers](/kb/appmixer-studio-features/using-modifiers-to-alter-data.md).


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