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

Start (Node 1)

This is a Standard function activity that simply marks the start of the subprocess.

Assign (Node 2)

This is a Standard function activity that assigns a value to an item attribute. This Assign activity node assigns the value of the Note item attribute to the Note for Reminder item attribute.

Assign (Node 3)

This is a Standard function activity that assigns a value to an item attribute. This Assign activity node assigns a blank value to the Note item attribute to clear any previous value.

Notify Requisition Approval Required (Node 4)

This activity notifies the approver that the requisition needs to be approved or rejected. This activity must be completed within 5 minutes, otherwise it times out.

The message includes 'Send' attributes that display the requisition number, requisition description, requisition amount, previous approver name, and preparer name for the requisition when the notification is sent. The special WF_NOTIFICATION() message function is called to display these attributes in a message attribute table within the message, and also to include a notification history table in the message. The message also includes a 'Send' attribute for the from role that sent the notification, to be displayed in the notification header.

The message includes a special RESULT attribute and a "Respond" attribute. The RESULT attribute has a display name of Action and prompts the approver to respond with a value of 'APPROVE' or 'REJECT' from the lookup type called Approval. The value that the approver selects becomes the result that determines which activity branch the Workflow Engine transitions to next.

The "Respond" attribute is called Note and this attribute prompts the approver for optional comments to include in the notification response.

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 an item type attribute named Forward To Username.

Reminder-Approval Needed (Node 5)

This activity occurs only if the Notify Requisition Approval Required activity times out before being completed. This activity sends a reminder notice to the approver that the requisition needs to be approved or rejected.

The message includes 'Send' attributes that display the requisition number, requisition description, requisition amount, previous approver name, and preparer name for the requisition when the notification is sent. The special WF_NOTIFICATION() message function is called to include a notification history table in the message. The message also includes a 'Send' attribute for the from role that sent the notification, to be displayed in the notification header.

The message includes a special RESULT attribute and a "Respond" attribute. The RESULT attribute has a display name of Action and prompts the approver to respond with a value of 'APPROVE' or 'REJECT' from the lookup type called Approval. The value that the approver selects becomes the result that determines which activity branch the Workflow Engine transitions to next.

The "Respond" attribute is called Note and this attribute prompts the approver for optional comments to include in the notification response.

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 an item type attribute named Forward To Username.

Or (Nodes 6 and 8)

This Standard function activity merges two or more parallel branches in a flow as soon as an activity in any one of those branches complete.

End (Nodes 7 and 9)

This function activity marks the end of the subprocess. Although the activity itself does not have a result type, each node of this activity in the subprocess must have a process result assigned to it. The process result is assigned in the property page of the activity node. Since the Notify Approver process activity has a result type of Approval, each End activity node must have a process result matching one of the lookup codes in the Approval lookup type.

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