acf-staff.php

// Staff metabox fields
  'id' => 'staff_field_group',
	'title' => 'Staff Information',
	'fields' => array(
		array (
			'key' => 'staff_position',
			'label' => 'Position / Job Title',
			'name' => 'staff_job',
			'type' => 'text',
			'required' => '1',
		),
		array (
			'key' => 'staff_email',
			'label' => 'Email Address',
			'name' => 'staff_email',
			'type' => 'text',
			'required' => '0'
		),
		array (
			'key' => 'staff_linkedin',
			'label' => 'LinkedIn Profile Url',
			'name' => 'staff_linkedin',
			'type' => 'text',
			'required' => '0'
		),
		array (
			'key' => 'staff_facebook',
			'label' => 'Facebook Profile Url',
			'name' => 'staff_facebook',
			'type' => 'text',
			'required' => '0'
		),
		array (
			'key' => 'staff_twitter',
			'label' => 'Twitter Profile Url',
			'name' => 'staff_twitter',
			'type' => 'text',
			'required' => '0'
		),
		array (
			'key' => 'staff_gplus',
			'label' => 'Google+ Profile Url',
			'name' => 'staff_gplus',
			'type' => 'text',
			'required' => '0'
		),
	),
	'location' => array (
		'rules' => array (
			array (
				'param' => 'post_type',
				'operator' => '==',
				'value' => 'staff',
				'order_no' => '0',
			),
		),
		'allorany' => 'all',
	),
	'options' => 
	array (
		'position' => 'normal',
		'layout' => 'box',
		'hide_on_screen' => 
		array (
		),
	),
	'menu_order' => 0,