In System Center 2012 Configuration Manager, 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;
};
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Methods
The CCM_Policy_Expression class does not define any methods.
Properties
- ExpressionData
- Data type: StringAccess type: Read/WriteQualifiers: [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: StringAccess type: Read/WriteQualifiers: [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: BooleanAccess type: Read/WriteQualifiers: NoneCurrent 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: StringAccess type: Read/WriteQualifiers:
[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.