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# Type Property (Error Object)

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

expression.Type

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

There are three types or errors:

- SCHEMA_VALIDATION Data validation failed as a result of an XML Schema–defined constraint.
- SYSTEM_GENERATED Data validation failed as a result of constraints defined in the form definition (.xsf) file or as a result of scripting code calling the ReportError method of the DataDOMEvent object.
- USER_SPECIFIED Data validation failed as a result of a custom scripting error using the Add method of the Errors collection.

## Example

In the following example, the Type property of the Error object is used to display the type of an error in a message box:

    var objError;

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

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