====== GetEnv ======

<code autorun>
GetEnv(<envvar>)
GetEnv <VAR> <envvar>
</code>

Gets the value of an existing environment variable. Unlike the standard notation with enclosing % signs, it allows you to get the value of any variables, including those whose names contain various special characters (brackets, percent signs, spaces, etc.)

**Parameters**

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|envvar|Name of environment variable being read.|

**Related**

[[SetEnv]]

**Remarks**

The function also allows you to check if an environment variable exists. If the variable does not exist, set the **ERROR** macro to 1.