Is there an event for status change in requisition which can be listened/subscribed in OIC.

Is there an event for status change in requisition which can be listened/subscribed in OIC. 

I trying to build an oic integration that could be triggered from the Fusion event when there is any change in the status of the requistion.

i.e if the requisition status changes from "Pending Approval" to "Approved" status.