Question1Replies1251Views AmanullahS0632 Member since 2016 2 posts EY Posted: 3 years agoLast activity: 3 years 8 months ago Closed How Pega Determines Class as External Class?We have table A created in data schema with no OOTB properties and do test connectivity it is saying Class A (obj-External) mapped to table A.By definition, external class does not have pzInskey and pxObjClass.When we add pzInskey and pxObjClass in the table A as columns and do the test connectivity, still it is showing as Obj-External.Code behind the test connectivity is Public API function. We want to understand how this works? Data Integration ×Close popoverFacebookTwitterLinkedinEmail Copy Link Copied! Moderation Team has archived post This thread is closed to future replies. Content and links will no longer be updated. If you have the same/similar Question, please write a new Question. Posted: 3 years agoPaulGentile_GCS PEGA replied to AmanullahS0632Make sure you rebuild the data dictionary after adding these columns. Also, is the test connection dialog showing the correctly mapped database table?