CCM_Policy_Expression Client WMI Class

Applies To: System Center Configuration Manager 2007, System Center Configuration Manager 2007 R2, System Center Configuration Manager 2007 R3, System Center Configuration Manager 2007 SP1, System Center Configuration Manager 2007 SP2

In Configuration Manager 2007, the CCM_Policy_Expression class is a client Windows Management Instruementation (WMI) class that represents a policy expression that evaluates to either true or false.

The following syntax is simplified from Managed Object Format (MOF) code and includes all inherited properties.

Class CCM_Policy_Expression : CCM_Policy_Config
{
      String ExpressionData;
      String ExpressionLanguage;
      Boolean ExpressionState;
      String ExpressionType;
};

Methods

The CCM_Policy_Expression class does not define any methods.

Properties

• ExpressionData
  Data type: String

  Access type: Read/Write

  Qualifiers: [Not_Null:ToInstance]

  Data representing the expression to evaluate. The actual format is specific to the expression type. For more information, see ExpressionType.

• ExpressionLanguage
  Data type: String

  Access type: Read/Write

  Qualifiers: [Not_Null:ToInstance]

  The type of expression, which must map to an object that contains information about the handler responsible for evaluating this expression type.

• ExpressionState
  Data type: Boolean

  Access type: Read/Write

  Qualifiers: None

  Current state of the expression. This value indicates the result of the last expression evaluation, or null if the expression has never been evaluated.

• ExpressionType
  Data type: String

  Access type: Read/Write

  Qualifiers: [Not_Null:ToInstance]

  Type that determines how the expression is evaluated. Possible values are:

  Once	The expression is evaluated only once.
  Until-true	The expression continues to be re-evaluated until evaluation returns true.
  Continuous	The expression is always re-evaluated.

Requirements

Runtime Requirements

For more information, see Configuration Manager Client Runtime Requirements.

Development Requirements

For more information, see Configuration Manager Client Development Requirements.

See Also

Concepts

Policy Agent Client WMI Classes