Here we would like to draw your attention to OS72 transaction code in SAP. As we know it is being used in the SAP CA-GTF (General Application Functions in CA) component which is coming under CA module (Cross Application).OS72 is a transaction code used for ECH: Workflow for ECR/ECO in SAP.
It comes under the package CC.
Transaction OS72 technical data table
|ECH: Workflow for ECR/ECO