Here we would like to draw your attention to SIN1 transaction code in SAP. As we know it is being used in the SAP BC-SRV (Basis Services / Communication Interfaces in Basis) component which is coming under BC module (BASIS).SIN1 is a transaction code used for SAPBPT: Inbox in SAP.
It comes under the package SIN.When we execute this transaction code, SAPLSIN1 is the normal standard SAP program that is being executed in background.
Transaction SIN1 technical data table
Some Basic Questions & Answers
Program named SAPLSIN1 will run when we enter transaction code SIN1.
SIN1 is a Dialog Transaction code type which is shortly represented as T.