3351869 - How to update existing Emergency contact via Import Employee Data?

There is an existing Emergency contact with name "Test" and relationship "Child", however, there is some wrong value shows in other fields. How to update it via Import Employee Data<Emergency Contact?

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 SAP SuccessFactors Employee Central

• Import Employee Data

incremental, full purge, change, DELETE, relationship, name , KBA , LOD-SF-EC-EDP-ECO , Emergency Contact Information Import , How To