Unable get original hire date in alert composer template in case if employee is 'Global transfer'?

Summary:

Hi,

We have created a custom resource alert to send notification to line manager for upcoming work anniversarries of the employees.
The alert is working fine, but we are facing a issue that- When a person is Global Transferred, the hire date expected to get fetched is alert template should be the original hire date as per earliest inactive assignment. But we are getting hire date as per current active assignment, which is incorrect.

Is it possible to get original hire date in resource alerts? We are using 'Resource' as 'emps'.

In the filter expression, we are using seniority date as per 'Most recent hire rehire date', the employees are getting filtered based on this criteria but in the template the "emps.HireDate" function is fetching the date as per current active assignment, which in providing incorrect hire date in case of Global transfer employees.