Tips on Customizing Process & Queue Manager

How to Hide Process & Queue Manager Admin Menus

function plt_hide_pqm_production_queue_menus() {
	//Hide "Production".
	remove_menu_page('procquma');
	//Hide "Production → Tasks".
	remove_submenu_page('procquma', 'procquma');
	//Hide "Production → Calendar".
	remove_submenu_page('procquma', 'procquma&view=calendar');
	//Hide "Production → Add task".
	remove_submenu_page('procquma', 'procquma-add-task');
	//Hide "Production → Departments".
	remove_submenu_page('procquma', 'procquma&view=departments');
	//Hide "Production → Reports".
	remove_submenu_page('procquma', 'procquma-reports');
	//Hide "Production → Emails".
	remove_submenu_page('procquma', 'procquma-emails');
	//Hide "Production → Admin panel".
	remove_submenu_page('procquma', 'procquma-admin-panel');
	//Hide "Production → Help".
	remove_submenu_page('procquma', 'procquma-help');
	//Hide "Production → Compare Free / Pro".
	remove_submenu_page('procquma', 'procquma-pro');
}

add_action('admin_menu', 'plt_hide_pqm_production_queue_menus', 61);

Where do I put this code?

How to Hide the "PQM KPI" Dashboard Widget

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

	//Remove the "PQM KPI" widget.
	remove_meta_box('procquma_kpi_widget', 'dashboard', 'normal');
}

add_action('wp_dashboard_setup', 'plt_hide_pqm_production_queue_dashboard_widgets', 20);