popsu-d7/sites/all/modules/ctools/ctools_plugin_example/help/Argument-Plugins--Starting-at-the-beginning.html

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    <p>Contexts are fundamental to CTools, and they almost always start with an argument to a panels page, so we'll start there too.</p>
<p>We first need to process an argument.</p>
<p>We're going to work with a "Simplecontext" context type and argument, and then with a content type that displays it. So we'll start by with the Simplecontext argument plugin in plugins/arguments/simplecontext_arg.inc.</p>
<p>Note that the name of the file (simplecontext_arg.inc) is built from the machine name of our plugin (simplecontext_arg). And note also that the primary function that we use to provide our argument (ctools_plugin_example_simplecontext_arg_ctools_arguments()) is also built from the machine name. This magic is most of the naming magic that you have to know.</p>
<p>You can browse plugins/arguments/simplecontext_arg.inc and see the little that it does.</p>
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