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## Buyer: Receive Supplier PO Acknowledgement 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 PO Ack Event (Node 2)

This event activity waits to receive the B2B Purchase Order Acknowledgement event message from the supplier. The activity must be completed within one day; otherwise it times out.

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

#### PO Not Acknowledged by Supplier (Node 3)

This activity occurs only if the Buyer: Receive PO Ack Event activity times out before being completed. This activity notifies the order requestor that the supplier has not yet acknowledged the purchase order. 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 | PO Not Acknowledged
Result Type | None
Prerequisite Activities | Buyer: Receive PO Ack Event

#### PO Acknowledged by Supplier (Node 4)

This activity notifies the order requestor that the purchase order has been acknowledged by 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 | PO Acknowledged
Result Type | None
Prerequisite Activities | Buyer: Receive PO Ack Event

#### End (Node 5)

This Standard function activity marks the end of the process.

Function | WF_STANDARD.NOOP
Result Type | None
Prerequisite Activities | PO Acknowledged by Supplier

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