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<h2><a href="https://wiki.asterisk.org/wiki/display/AST/Global+Variables+Basics">Global Variables Basics</a></h2>
<h4>Page <b>edited</b> by <a href="https://wiki.asterisk.org/wiki/display/~mdavenport">Malcolm Davenport</a>
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<tr><td class="diff-changed-lines" >Global variables are variables that don't live on one particular channel --- they pertain to all calls on the system. They have global scope. There are two ways to set a global variable. The first is to declare the variable in the <span class="diff-changed-words">*\[<span class="diff-deleted-chars"style="color:#999;background-color:#fdd;text-decoration:line-through;">docs:</span>globals\]*</span> section of *extensions.conf*, like this: <br></td></tr>
<tr><td class="diff-unchanged" >{code:lang=javascript}[globals] <br>MYGLOBALVAR=somevalue{code} <br></td></tr>
<tr><td class="diff-snipped" >...<br></td></tr>
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<p>Global variables are variables that don't live on one particular channel — they pertain to all calls on the system. They have global scope. There are two ways to set a global variable. The first is to declare the variable in the <b>[globals]</b> section of <b>extensions.conf</b>, like this:</p>
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<script type="syntaxhighlighter" class="toolbar: false; theme: Confluence; brush: javascript; gutter: false"><![CDATA[[globals]
MYGLOBALVAR=somevalue]]></script>
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<p>You can also set global variables from dialplan logic using the <b>GLOBAL()</b> dialplan function along with the <b>Set()</b> application. Simply use the syntax:</p>
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<script type="syntaxhighlighter" class="toolbar: false; theme: Confluence; brush: javascript; gutter: false"><![CDATA[exten=>6124,1,Set(GLOBAL(MYGLOBALVAR)=somevalue)
]]></script>
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<p>To retrieve the value of a global channel variable, use the same syntax as you would if you were retrieving the value of a channel variable.</p>
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