The Contribution History report shows employer contributions given within a specific pay date range. This report can be helpful for confirming the amount of benefit contributions given when reconciling benefit invoices or preparing to send your 401k contributions.
Payroll > Reports > Payroll Reports > Deductions & Contributions > Contribution History
This report is grouped by employee, then each by each paydate included in the report.

You can see all contributions, or filter specific contributions by selecting the contribution in the list.
How to pull a Contribution History Report