# Get Price in Kalipso

When MSS 5.0 tries to get a price and discounts when adding a new product to a document will try to get it from the extension project.

Extension action set = EXT\_PRC\_GETPRICE

* Input Parameters:
  * inDocumentType – Type of the current document;
  * inCustomerCode – Code of the selected customer;
  * inArticleCode – Code of the selected article;
  * inQuantity – Current quantity;
  * inDeliveryLocationCode – Code of the selected delivery location;
  * inHeaderUserField1 – Value of user field 1 from document;
  * inHeaderUserField2 – Value of user field 2 from document;
  * inHeaderUserField3 – Value of user field 3 from document;
  * inCustomerPriceLine – Selected Price line;
  * inLineType – Code of line type (N – Normal, D – Return, … check MSS documentation for full list);
  * inACL – Aditional columns needed to calculate the price;
  * inUnit – Unit selected;
* Output parameters:
  * outResultCode – Return code: 1 – Done / 0 – Error;
  * outprice – Calculated price;
  * outDiscount1 – Calculated discount 1;
  * outDiscount2 – Calculated discount 2;
  * outDiscount3 – Calculated discount 3;
  * outDiscount4 – Calculated discount 4;
  * outPriceCode – Code of calculated price;
  * outDiscount1Code – Code of calculated discount 1;
  * outDiscount2Code – Code of calculated discount 2;
  * outDiscount3Code – Code of calculated discount 3;
  * outDiscount4Code – Code of calculated discount 4;
  * outUserField1 – Aditional field 1(not used);
  * outUserField2 – Aditional field 2(not used);
  * outUserField3 – Aditional field 3(not used);
  * outVATIncluded – If the calculated price has VAT included or not (must return S - VAT included or N – Not included); outVATTax – VAT tax applied;