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## Buyer: Receive Supplier Invoicing Subprocess Activities

Following is a description of each activity in the subprocess, listed by the activity's display name.

#### Start (Node 1)

This Standard function activity marks the start of the process.

Function | WF_STANDARD.NOOP
Result Type | None
Prerequisite Activities | None

#### Buyer: Receive Supplier Invoice (Node 2)

This event activity waits to receive the B2B Invoice event message from the supplier.

Event Action | Receive
Event Filter | demo.oracle.wf.b2b.po.invoice
Prerequisite Activities | Start
Item Attributes Set by Activity | Event Name, Event Key, Event Message

#### Invoice for Order Has Arrived (Node 3)

This activity notifies the order requestor that the invoice for the purchase order has been received from the supplier. The message includes a 'Send' attribute that displays the purchase order number when the notification is sent.

If you display the property page of this activity node, you see that the activity is assigned to a performer whose name is stored in the item type attribute named Order Requestor.

Message | Supplier PO Invoice
Result Type | None
Prerequisite Activities | Buyer: Receive Supplier Invoice

#### End (Node 4)

This Standard function activity marks the end of the process.

Function | WF_STANDARD.NOOP
Result Type | None
Prerequisite Activities | Invoice for Order Has Arrived

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