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1 open "pud settings" -->select "sales"-->"service charge" ![](https://img.kancloud.cn/81/8f/818f521c32796244cedfa9738c07286c_803x589.jpg) 2 add the service charge item, restart "Pud Pos" after editing successfully. ![](https://img.kancloud.cn/3f/ca/3fcaf025b4d9f5476bebb54359f62d46_1017x733.jpg) 3 ![](https://img.kancloud.cn/d7/8c/d78c6a22b3158e4eaf523f024f87ba4d_1013x754.jpg) 4 ![](https://img.kancloud.cn/fe/96/fe9683a89f845158bc86356acec0ae2d_1020x761.jpg) 5![](https://img.kancloud.cn/5d/33/5d335f09b0310d222bfeae676f6aba00_1025x766.jpg) 6 You can select all or single item. ![](https://img.kancloud.cn/52/a4/52a4723e5509c8ea9d50f63c030c2eca_1026x769.jpg) 7![](https://img.kancloud.cn/f4/2e/f42eb0f3669303c364b2315527f79fb3_1021x762.jpg)