When a node's service as the x endpoint of one or more Cx arcs (i.e., when a node's situation as a role player) is an aspect of a TM Application-defined situation feature that requires values to be assigned to one or more of its properties, the definitions of such situation features, the properties to which the values are assigned, the types of the values, and how the values are calculated, must all be defined as part of, or at least with respect to, the definition of the type of assertion of which the assertion that has the node as a role player is an instance.

Belongs in TM Application section (parid0269)