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Add help text for variables
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<h3>Variables Group</h3> | ||
This group contains dynamic variables which can be inserted into your expressions. | ||
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<h3>var function</h3> | ||
Returns the value stored within a specified variable. | ||
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<h4>Syntax</h4> | ||
<pre>var(variable_name)</pre> | ||
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<h4>Arguments</h4> | ||
variable_name → variable name | ||
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<h4>Example</h4> | ||
<pre> var('qgis_version') → '2.12'</pre> | ||
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