Filter Expression for Purchase Order Event

Summary:

Purchase Order Event Filter Expression Error

Content (please ensure you mask any confidential information):

I have written a filter expression based on Match Approval Level, but it errors out. Please advise.

<xpathExpr xmins:ns0= "http://xmins.oracle.com/apps/prc/po/editDocument/purchaseOrderServiceV2/"
xmins:ns2="http://xmins.oracle.com/apps/prc/po/editDocument/purchaseOrderServiceV2types/">$eventPayload/ns2:
result/ns0:Value/ns0:PurchaseOrderLine/ns0:MatchApprovalLevel= "2 Way" </xpathExpr>

Version (include the version you are using, if applicable):

24D