Service input pin (UPDM - NAF aliases)
A Service Input Pin is a proprietary element that represents a Service Parameter.
Creation
To create a Service Input Pin:
• From an NPV-2 Project Activity Model, NOV-5 Operational Activity Model or NSV-4 Functionality Description: click the 
Input Pin button, and then click the edge of the owning Service Operation Action. From the context menu, point to New Pin, and then click the required command:
Input Pin button, and then click the edge of the owning Service Operation Action. From the context menu, point to New Pin, and then click the required command:◦ Click New Parameter to create a new Service Parameter and a new Service Input Pin to represent that Service Parameter.
◦ Click the command for a Service Parameter to create a new Service Input Pin for that Service Parameter.
The name of a Service Input Pin is set to that of the Service Parameter it represents.
On creation of a Service Operation Action, Modeler creates a Service Input Pin to represent each Service Parameter (Mechanism of In or InOut) of the Service Operation that is used as the type of the Service Operation Action. In addition, Modeler creates a Service Input Pin named Target Pin.
Note that after creating a Service Operation Action, Service Input Pin elements are not automatically created for new Service Parameter elements that are created on the associated Service Operation.
Appearance
When shown on an NPV-2 Project Activity Model, NOV-5 Operational Activity Model or NSV-4 Functionality Description, a Service Input Pin appears as follows:
Relationships
The following relationships are of importance to a Service Input Pin:
• On the Items tab of a Service Input Pin element's property pages, you can view and navigate to the Service Parameter that is represented by the Service Input Pin through the Linked Item association.
The following sections provide information about how a Service Input Pin is used in the model.
Create a Service Input Pin from
Create from a Service Input Pin
Only the UPDM elements that can be created from all UPDM elements (Alias, Definition, Information and Metadata).
Shown on these diagrams, tables and matrices
In addition to the NAV-2 Integrated Dictionary and NTV-1 Standards Profile, which can show all UPDM elements:
UPDM writeable properties
The following writeable properties are available on the Service Input Pin tab of a Service Input Pin element's Property Pages:
• URI