Context plugin data:
'title' => Visible title 'description' => Description of context 'context' => Callback to create a context. Params: $empty, $data = NULL, $conf = FALSE 'settings form' => Callback to show a context setting form. Params: ($conf, $external = FALSE) 'settings form validate' => params: ($form, &$form_values, &$form_state) 'settings form submit' => params: 'ctools_context_node_settings_form_submit', 'keyword' => The default keyword to use. 'context name' => The unique identifier for this context for use by required context checks. 'no ui' => if TRUE this context cannot be selected.