M3 MT cloud: Is there Ion api to find the below things in my post

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Hi,

Is there an ionapi to find

1) Who has approved the ion workflow like (SupplierApproval).

2) At what date it has been approved 

3) At what date ion workflow notifications were sent to those users/groups

4) People who were notified in that group or group email.

Best Regards

Shashank Malali