.. _D5.02.01: **d5.02.01** Introduce a new quantity (or a new component) ========================================================================== **Summary:** This document describes what to do to introduce a new quantity into Code_Aster or a new component into an existing quantity. In a few words, to add a quantity, you must: * modify the catalog describing the sizes, * add the name of the size in an order catalog. To introduce a component into an existing quantity, all you need to do is: * to enrich the size catalog. **Table of Contents** .. toctree:: :hidden: self .. toctree:: :maxdepth: 2 :numbered: Introduction Modification_du_catalogue_des_grandeurs__physical_quantities_py_ Modification_du_catalogue__c_nom_grandeur_capy_ Grandeurs____l_mentaires__