Creating a Decision Tree Expression

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Creating a Decision Tree Expression

Procedure

In the Object Manager panel, under the Detail section, choose the Assigned Objects tab.
The Assigned Objects tab page appears.
Choose Expression from the Type field and choose Create Object.
In the Object Creation dialog box that appears, enter the following data:
- Name
- Short Text
- Text
Choose Decision Tree in the Type field.
Choose Create & Navigate To Object.
The newly created decision tree expression appears in the Object Manager panel.

Note
If you choose Create the decision table expression appears under the Assigned Objects tab.

End of the note.
Under the Detail section, assign the result data object. You can assign a standard data object, an existing data object or a new data object.
- Select a Standard Type
  1. Choose (Graphical Access).
  2. In the context menu, choose Select Standard Type and choose the data object type.
- Select an Existing Data Object
  1. Choose (Graphical Access).
  2. In the context menu, choose Select Result Data Objects More Result Data Objects .
  3. In the Object Query dialog box that appears, select the data object and choose Select.
- Create a New Data Object
  1. Choose (Graphical Access).
  2. In the context menu, choose Create Data Object.
    More information: Creating Data Objects
  Note
  The result data object can be an element, a structure or a table data object.
  
  End of the note.
Assign a root node to the decision tree. You can assign an existing expression or a new expression.
- Select an Existing Expression
  1. In the context menu of the node, choose Node Actions Assign condition on node Select existing expression More Expression... .
  2. In the Object Query dialog box that appears, select the expression and choose Select.
- Create a New Expression
  1. In the context menu of the node, choose Node Actions Assign condition on node Create new expression... .
  2. In the Object Creation dialog box that appears, create the expression.
    More information: Creating Expressions
    
    Note
    The root node can only be a condition.
    
    End of the note.
    
    The selected expression is set as the root node and two child nodes appear under the root node.
Add conditions and result to the child node. You can assign an existing expression or a new expression to the child node depending upon the outcome of the condition in the root node.
- Assign an Existing Expression as a Condition
  1. In the context menu of the positive child node, choose Node Actions Assign condition on node Select existing expression More Expression...
  2. In the Object Query dialog box that appears, select the expression and choose Select.
- Assign a New Expression as a Condition
  1. In the context menu of the positive child node, choose Node Actions Assign condition on node Create new expression...
  2. In the Object Creation dialog box that appears, create the expression.
    More information: Creating Expressions
- Assign an Existing Expression as a Result
  1. In the context menu of the negative child node, choose Node Actions Assign result on node Select existing expression More Expression... .
  2. In the Object Query dialog box that appears, choose the expression and choose Select.
- Assign a New Expression as a Result
  1. In the context menu of the negative child node, choose Node Actions Assign result on node Create new expression...
  2. In the Object Creation dialog box that appears, create the expression.
    More information: Creating Expressions
    
    Note
    There is no restriction to the level of nodes that you can create in the decision tree.
    
    The last node should always be a result
    
    End of the note.
Save the expression.