Create a new extension field in this tile:
![如何在SAP S/4HANA Fiori UI上创建新的扩展字段-LMLPHP 如何在SAP S/4HANA Fiori UI上创建新的扩展字段-LMLPHP](https://c1.lmlphp.com/user/master/2021/02/18/son_1/0c82a84f72cedccc12f7ad8df84b374a.jpg)
Choose Business Context "Product Master General".
![如何在SAP S/4HANA Fiori UI上创建新的扩展字段-LMLPHP 如何在SAP S/4HANA Fiori UI上创建新的扩展字段-LMLPHP](https://c1.lmlphp.com/user/master/2021/02/18/son_1/cd89c56260f519f411b66440830bec55.jpg)
![如何在SAP S/4HANA Fiori UI上创建新的扩展字段-LMLPHP 如何在SAP S/4HANA Fiori UI上创建新的扩展字段-LMLPHP](https://c1.lmlphp.com/user/master/2021/02/18/son_1/9021dcd69c5d64120344413f8f9c58d0.jpg)
Just choose Text as extension field type and length: 20. Once created, it has status "Not Published". In order to allow UI to add this field, you have to publish it.
![如何在SAP S/4HANA Fiori UI上创建新的扩展字段-LMLPHP 如何在SAP S/4HANA Fiori UI上创建新的扩展字段-LMLPHP](https://c1.lmlphp.com/user/master/2021/02/18/son_1/029d8e2557ee5a9722d6b4d990043f98.jpg)
The publish needs to be done by button "Publish":
![如何在SAP S/4HANA Fiori UI上创建新的扩展字段-LMLPHP 如何在SAP S/4HANA Fiori UI上创建新的扩展字段-LMLPHP](https://c1.lmlphp.com/user/master/2021/02/18/son_1/34de65dcd3b44073de0305f0c887e371.jpg)
The publish is done in an asynchronous way:
Wait until the status has changed to "Published":
After that you can add this extension field to given UI.