To connect to QuickBooks POS, you can use either a DSN or an ODBC connection string. Both of these methods use the odbcConnect function.

Connect to a DSN

To connect using a DSN:

cnx <- odbcConnect("CData QuickBooksPOS Sys")

Provide a Driver Connection String

To connect using an ODBC connection string:

cnx <- odbcDriverConnect(connection = "DRIVER={CData ODBC Driver for QuickBooks POS};user=myuseraccount;password=mypassword;URL=http://localhost:2080;qbxmlversion=3.0;")