{/doc/acs-templating {Templating}} {Templating System Tag Reference: Variables} Templating System Tag Reference: Variables <master>

## Variables

Templating System : Designer Guide : Tag Reference : Variables

### Summary

Variables are used in templates as placeholders for dynamic data.

### Usage

Simple variables are referenced by surrounding the variable name with "commercial at" (`\@`) signs:

    <!-- simple variables -->
    <b><i>\@first_name\@ \@last_name\@</b></i>

When processing this template, the server will look for variables named `first_name` and `last_name` and substitute their values in the output:

    <b><i>Fred Finkel</b></i>

The columns of a row variable are referenced by separating the data source name and column with a period:

    <!-- onerow or multirow data sources -->
    <b><i>\@user.first_name\@ \@user.last_name\@</b></i>

### Note(s)

- An attempt to reference a variable that does not exist will cause an error message to appear in the browser.

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