Define data objects and properties

About this task

The type trees are maintained in the Type Designer, although type trees can also be created using the Type Tree Maker, the Importer Wizard in the Type Designer, and the Database Interface Designer.

To define data definitions:


  1. Use the Type Designer, Type Tree Maker, or import operation to create or generate a type tree file. The file name extension of type tree files is .mtt.
  2. Define the type properties of input and output data.
  3. Specify restrictions of input data for item types.
  4. Specify desired validation of input data in component rules.
  5. Save and analyze the type tree file (.mtt).