vc nested shortcodes

/**
 * Setup Visual Composer
 * @since 1.0
 * @version 1.0
 */
function mycred_theme_visual_composer() {

	vc_map( array(
		'name'                    => 'Function Parameters',
		'base'                    => 'function_params_wrap',
		'content_element'         => true,
		'show_settings_on_create' => false,
		'is_container'            => true,
		'as_parent'               => array( 'only' => 'function_param' ),
		'category'                => 'Codex',
		'custom_markup'           => '
{{ title }}
<table class="table table-bordered table-condensed">
	<thead>
		<tr>
			<th class="codex-col-param">Param</th>
			<th class="codex-col-type">Type</th>
			<th class="codex-col-desc">Description</th>
		</tr>
	</thead>
	<tbody>
		{{ content }}
	</tbody>
</table>
',
		'params'                  => array(

			array(
				'type'        => 'textfield',
				'heading'     => 'Extra class name',
				'param_name'  => 'el_class',
				'description' => 'Optional'
			)

		),
		'js_view'                => 'VcRowView'
	) );

	vc_map( array(
		'name'            => 'Function Param',
		'base'            => 'function_param',
		'content_element' => true,
		'category'        => 'Codex',
		'as_child'        => array( 'only' => 'function_params_wrap' ),
		'custom_markup'   => '<tr><td collspan="3">{{ content }}</td></tr>',
		'params'          => array(

			array(
				'type'        => 'textfield',
				'holder'      => 'div',
				'heading'     => 'Parameter Name',
				'param_name'  => 'label',
				'value'       => ''
			),

			array(
				'type'        => 'textfield',
				'holder'      => 'div',
				'heading'     => 'Parameter Type',
				'param_name'  => 'type',
				'value'       => ''
			),

			array(
				'type'        => 'textarea',
				'holder'      => 'div',
				'heading'     => 'Description',
				'param_name'  => 'desc',
				'value'       => ''
			),

			array(
				'type'        => 'textfield',
				'heading'     => 'Extra class name',
				'param_name'  => 'el_class',
				'description' => 'Optional'
			)

		)
	) );

	//Your 'container' content element should extend WPBakeryShortCodesContainer class to inherit all required functionality
	if ( class_exists( 'WPBakeryShortCodesContainer' ) ) {
		class WPBakeryShortCode_function_params_wrap extends WPBakeryShortCodesContainer { }
	}

	if ( class_exists( 'WPBakeryShortCode' ) ) {
		class WPBakeryShortCode_function_param extends WPBakeryShortCode { }
	}

}
add_action( 'vc_before_init', 'mycred_theme_visual_composer' );