This attribute is used to query or modify the priority of objective when doing hierarchical multi-objective optimization. You set using the ObjNumber parameter.
The default priority for an objective is 0.
The number of objectives in the model can be queried (or modified) using the NumObj attribute.
Please refer to the discussion of Multiple Objectives for more information on the use of alternative objectives.
For examples of how to query or modify attributes, refer to our Attribute Examples.