# ConditionName Property

A read-only property that returns a string value containing the name of the Error object.

expression.ConditionName

expression Required. An expression that returns a reference to the Error object.

## Security Level

2: Can be accessed only by forms running in the same domain as the currently open form, or by forms that have been granted cross-domain permissions.

## Remarks

The ConditionName property is used only for custom errors; it is not used for schema validation–generated or system-generated errors. If the type of error is schema validation generated or system generated, the ConditionName property will return null.

## Example

In the following example, the ConditionName property of the Error object is used to display the name of a custom error in a message box:

    var objError;

    objError = XDocument.Errors(0);
    XDocument.UI.Alert("Error name: " + objError.ConditionName);

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