
Business Process Modeling ◾ 159
Element Description Notation
Conditional flow Sequence Flow can have
condition expressions that
are evaluated at runtime to
determine whether or not
the flow will be used. If the
conditional flow is outgoing
from an activity, then the
Sequence Flow will have a
minidiamond at the
beginning of the line (see
figure to the right). If the
conditional flow is outgoing
from a Gateway, then the
line will not have a
minidiamond (see figure in
the preceding row).
Default flow For Data-Based Exclusive
Decisions, one type of flow
is the Default condition
flow. This flow will be used
only if all the other outgoing
conditional flows are ...