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InterSystems IRIS for Health 2020.3 > Data Model > Object Data Access > Class Definitions > Class Definition Reference > Parameter Keywords
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Parameter Keywords

This reference describes the keywords that apply to a class parameter. These keywords (also known as class attributes) generally affect the compiler.

For general information on parameter definitions, see “Parameter Definitions.”

  • Abstract – Specifies whether this is an abstract parameter.
  • Constraint – Specifies a user interface constraint in Studio for this parameter.
  • Deprecated – Specifies that this parameter is deprecated. This keyword is ignored by the class compiler and merely provides a human-readable indicator that the parameter is deprecated.
  • Final – Specifies whether this parameter is final (cannot be overridden in subclasses)
  • Flags – Modifies the user interface type (in Studio) for this parameter.
  • Internal – Specifies whether this parameter definition is internal (not displayed in the class documentation).
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