![]() The immediate if filter does not short-circuit like you might expect with a typical conditional statement. The following example results in the number 20.001: The examples below show the output of a temperature sensor with state 20.001, unit ☌ and user configured presentation rounding set to 1 decimal. Script : msg_who_is_home : sequence : - service : notify.notify data : message : > To keep a clear overview, consider using YAML multiline strings to define your templates: Navigate to Developer Tools > Template, create your template in the Template editor and check the results on the right. The frontend has a template editor tool to help develop and debug templates. We will not go over the basics of the syntax, as Jinja2 does a great job of this in their templates documentation. Jinja2 supports a wide variety of operations: This means that we are using their syntax and make some custom Home Assistant variables available to templates during rendering. ![]() Templating in Home Assistant is powered by the Jinja2 templating engine.
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