Here we would like to draw your attention to CRM_ES_CHK transaction code in SAP. As we know it is being used in the SAP CA-WUI (WebClient UI in CA) component which is coming under CA module (Cross Application).CRM_ES_CHK is a transaction code used for CRM_ES_COMPARATOR in SAP.
It comes under the package CRM_ES_MGR.
Transaction CRM_ES_CHK technical data table
| Tcode | CRM_ES_CHK |
| Purpose | CRM_ES_COMPARATOR |
| Module | CA |
| Component | CA-WUI |
| SAP Package | CRM_ES_MGR |
| Type | P |