Tips on Customizing WordPress CRM Plugin – WP-CRM System

How to Hide WP-CRM System Admin Menus

function plt_hide_wp_crm_system_menus() {
	//Hide "WP-CRM System".
	remove_menu_page('wpcrm');
	//Hide "WP-CRM System → Contacts".
	remove_submenu_page('wpcrm', 'edit.php?post_type=wpcrm-contact');
	//Hide "WP-CRM System → Tasks".
	remove_submenu_page('wpcrm', 'edit.php?post_type=wpcrm-task');
	//Hide "WP-CRM System → Organizations".
	remove_submenu_page('wpcrm', 'edit.php?post_type=wpcrm-organization');
	//Hide "WP-CRM System → Opportunities".
	remove_submenu_page('wpcrm', 'edit.php?post_type=wpcrm-opportunity');
	//Hide "WP-CRM System → Projects".
	remove_submenu_page('wpcrm', 'edit.php?post_type=wpcrm-project');
	//Hide "WP-CRM System → Campaigns".
	remove_submenu_page('wpcrm', 'edit.php?post_type=wpcrm-campaign');
	//Hide "WP-CRM System → Dashboard".
	remove_submenu_page('wpcrm', 'wpcrm-settings');
	//Hide "WP-CRM System → Email".
	remove_submenu_page('wpcrm', 'wpcrm-email');
	//Hide "WP-CRM System → Reports".
	remove_submenu_page('wpcrm', 'wpcrm-reports');
	//Hide "WP-CRM System → Extensions".
	remove_submenu_page('wpcrm', 'wpcrm-extensions');
}

add_action('admin_menu', 'plt_hide_wp_crm_system_menus', 11);

Where do I put this code?

How to Hide WP-CRM System Meta Boxes

function plt_hide_wp_crm_system_metaboxes() {
	$screen = get_current_screen();
	if ( !$screen ) {
		return;
	}

	//Hide the "Fields" meta box.
	remove_meta_box('wpcrm-default-fields', $screen->id, 'normal');
	//Hide the "Contact Emails" meta box.
	remove_meta_box('wpcrm_custom_meta', $screen->id, 'normal');
	//Hide the "Opportunities" meta box.
	remove_meta_box('wpcrm-contacts-opportunities', $screen->id, 'side');
	//Hide the "Projects" meta box.
	remove_meta_box('wpcrm-contacts-projects', $screen->id, 'side');
	//Hide the "Tasks" meta box.
	remove_meta_box('wpcrm-contacts-tasks', $screen->id, 'side');
	//Hide the "Projects" meta box.
	remove_meta_box('wpcrm-organization-projects', $screen->id, 'side');
	//Hide the "Tasks" meta box.
	remove_meta_box('wpcrm-organization-tasks', $screen->id, 'side');
	//Hide the "Opportunities" meta box.
	remove_meta_box('wpcrm-organization-opportunities', $screen->id, 'side');
	//Hide the "Contacts" meta box.
	remove_meta_box('wpcrm-organization-contacts', $screen->id, 'side');
	//Hide the "WP-CRM System Options" meta box.
	remove_meta_box('wpcrm-opportunity-options', $screen->id, 'side');
	//Hide the "Tasks" meta box.
	remove_meta_box('wpcrm-project-tasks', $screen->id, 'side');
}

add_action('add_meta_boxes', 'plt_hide_wp_crm_system_metaboxes', 20);