Data entities in D365 AX7 to delete staging records

Data entities in D365 AX7 to delete staging records

Please write new method as shown below to get records from staging and delete.

public static void postGetStagingData(DMFDefinitionGroupExecution _dmfDefinitionGroupExecution)
{
while select forupdate headerStaging
where headerStaging.ExecutionId == _dmfDefinitionGroupExecution.ExecutionId
&& headerStaging.DefinitionGroup == _dmfDefinitionGroupExecution.DefinitionGroup
{

}
}