Fund center and commitment items in MIRO tcode

Hi Experts

We are implementing Funds Management, while doing the invoice verification against the PO in MIRO the commitment item from vendor Reconciliation account is not displayed in details tab. The issue is that the "Commitmment Item field is not showing in the details tab.

But if we enter the invoice through FB60, the commitment item maintained in the vendor Reconciliation account is fetch automatically.

Please help me to solve this issue.

Regards

Harris.