Journals created for Project Commited Cost from purchasing

Summary

after PO assigned to a project is approved the project commited cost affected and increased , whats the effect of commited cost on General legder

Content

when create a PO with one line with amount 100 USD  and that line assigned to project X , after PO approved the project commitment cost increased by amount 100 USD.

From general ledger can i have a journal created when commitment cost created so from that journal i can know that the amount of commitment cost is 100 USD