Adding a Decision Entity to a Rule Set
You can add a decision entity to a rule set when you create the decision entity.
To add a decision entity to a rule set at a later point:
1. In the Rules Explorer view, select the decision entity.
2. Do one of the following:
a. Drag and drop the decision entity on a rule set. The decision entity is automatically inserted in the right category ( 
Decision Tables, 
Decision Trees or 
Event Rules) behind the last decision entity. b. Drag and drop the decision entity on a rule set category. The decision entity is inserted behind the last decision entity.
c. Drag and drop the decision entity within a rule set category on the place where you want to insert it.
Important:
Decision trees can only be added to sequential rule sets. Internal event rules can only be added to inferential rule sets. External event rules can be added to inferential and sequential rule sets. If an external event rule is added to a sequential rule set, it must be put in first place and must be the event that triggers the sequence. For more information about rule set processing modes, see
About Rule Set Processing Modes.
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