Evaluate Boolean Expression Method
The EvalBoolExpr method evaluates a conditional Siebel expression against the current row. It returns one of the following values in the result parameter:
- Y. The expression is true. 
- N. The expression is not true. 
You can configure Siebel CRM to call the EvalBoolExpr method from each item described in Calling a Method except from a custom button or command.
The following table describes the method argument that you can use with the EvalBoolExpr method.
| Argument | Description | 
|---|---|
| expr_string | Specifies the conditional expression that Siebel CRM evaluates. |