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• Oracle Workflow supports runtime token substitution of attributes. You can embed attributes within an attribute as well as embed attributes within a message subject and body. To embed an attribute, specify the attribute that you want to have token substituted as &attr_name, where attr_name is the internal name of the attribute.

When performing token substitution, Oracle Workflow fetches the internal name of the attribute and its value. If an attribute requiring token substitution is nested with another attribute, Oracle Workflow orders the nested list of attributes according to the length of their internal attribute names and then begins substituting the attributes with the longest internal names first.

Attention: If you find that you need to nest message attributes more than two layers deep to display the necessary message body content, you should investigate creating a PL/SQL document-type message attribute. See: External Document Integration.

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