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<span>variable_global_exists</span>
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<h1>variable_global_exists</h1>
<p>With this function you can check whether a global scope variable exists or not. You supply the global variable name to check for <i>as a string</i> (see example code below) and the function will return <tt>true</tt> if
a global variable with the given name exists or <tt>false</tt> otherwise.</p>
<p> </p>
<h4>Syntax:</h4>
<p class="code">variable_global_exists(name);</p>
<table>
<tbody>
<tr>
<th>Argument</th>
<th>Description</th>
</tr>
<tr>
<td>name</td>
<td>The name of the global variable to check for (as a string)</td>
</tr>
</tbody>
</table>
<p> </p>
<h4>Returns:</h4>
<p class="code">Boolean</p>
<p> </p>
<h4>Example:</h4>
<p class="code">if !variable_global_exists("enemy_num"))<br/> {
<br/> global.enemy_num = instance_number(obj_Enemey_Parent);<br/> }
</p>
<p>The above code will check to see if the global variable called "enemy_num" exists and if it does not it is created and set a value.</p>
<p> </p>
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