How to integrate POS to PMS?

Step 1 : Back End >> Settings >> Settings >> Integration >> Enable POS to PMS integration >> Save.

Step 2: Master >> Payment >> Add >> name - Room Service 

Payment Method >> Posting >> Add Auth Key >> Edit.

Step 3: Absolute configuration Setting.

Master >> general >> extra charge >> Create Room service as a extra charge

Step 4:  Setting >> property >> Tax/account configuration.

In Optimus >> Back End >> Settings >> Settings >> Integration >> Post multiple tax >> Enable >> Map taxes.

NOTE :  In multiple taxes posting , PMS and POS tax mapping should be same.

Ex. In POS if in tax 1 =  CGST,  in 2nd tax= SGST,  same tax structure needs to follow on PMS. Tax 1=  CGST and 2nd tax=  SGST