Since Assisted Selling is an extension of Commerce Reference Store, it is assumed that you are familiar with the Commerce Reference Store and Commerce Service Center products. For more information, see the ATG Commerce Reference Store Overview, the ATG Commerce Reference Store Installation and Configuration Guide, and the ATG Commerce Service Center User Guide. Similarly, while the section of this book called Endeca integration discusses CRS-IUA components of the ATG/Endeca integration, it is assumed that you are familiar with the Endeca product suite. See the ATG Endeca Integration Guide and other related Oracle Endeca installation documentation for more details. Since there are similarities and some shared code with Oracle ATG Web Commerce Reference Store iOS Universal Application (CRS-IUA) you should also review the CRS-IUA Overview.