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### ObjNumber

Selects objective index of multi-objectives
 Type: int Default value: 0 Minimum value: 0 Maximum value: MAXINT

When working with multiple objectives, this parameter selects the index of the objective you want to work with. When you query or modify an attribute associated with multiple objectives (ObjN, ObjNVal, etc.), the ObjNumber parameter will determine which objective is actually affected. The value of this parameter should be less than the value of the NumObj attribute (which captures the number of objectives in the model).

Please refer to the discussion of Multiple Objectives for more information on the use of alternative objectives.

One important note about integer-valued parameters: while the maximum value that can be stored in a signed integer is , we use a MAXINT value of 2,000,000,000. Attempting to set an integer parameter to a value larger than this maximum will produce an error.

For examples of how to query or modify parameter values from our different APIs, refer to our Parameter Examples.