Creating a Decision Table 
You create a decision table to capture structurally similar rules in a tabular format.
Procedure
Locate the ruleset (Where is my ruleset?) and in the context menu of the ruleset node, choose New Decision Table.
or
Locate the flow ruleset (Where is my flow ruleset?) , and in the context menu of the flow ruleset node, choose New Decision Table.
You can also choose the Add New Entries icon in the Outline view and in the menu that appears choose New Decision Table.
NoteIf you do not see the Outline view, choose
Window 
Show View Other 
.In the dialog box that appears, expand the General node and choose Outline. Choose OK.
End of the note.In the Decision Table Creation Wizard that appears, enter a name in the Decision Table Name field and optionally enter a description in the Comments field. Choose Next.
On the Select the Conditions screen, press Ctrl and select the aliases in the Available Conditions section and choose the Select Conditions button.
The aliases appear in the Selected Conditions section. Choose Next.
On the Select the Actions screen, press Ctrl and select the aliases in the Available Actions section and choose the Select Actions button.
The aliases appear in the Selected Actions section. Choose Finish.
NoteTo remove the aliases:
In the Select the Conditions and Select the Actions screens, press Ctrl and select the aliases.
Choose the Deselect Conditions and Deselect Actions buttons in the Selected Actions and Selected Conditions sections in the respective screens.
End of the note.In the Project Explorer view, expand the Decision Tables folder to view the Decision Table node and the decision table editor appears.
Save the changes.
NoteIf you have more than one decision table, double-click each decision table node to view it in the editor. You can view only one decision table at a time in the editor.
In the context menu of a decision table node there are options to delete and rename a decision table.
End of the note.