The macro is used to validate a blank value. If the value is valid, the build continues. If the value is not valid, a build failure is generated. The failure message identifies the value that caused the failure.
The following table describes the macro specific attributes for the macro:
| Macro Specific Attributes | ||
| Attribute | Description | Required |
| name | Name of the value to validate. | Yes |
| project |
Name of the currently executing project. The default value for this attribute is ${ant.project.name} because that property is built-in when using the standard tooling.
|
No |
| value | Value to validate. | Yes |
${beforeSnapshotName} property is blank:
<BuildValueBlank name="beforeSnapshotName" value="${beforeSnapshotName}"/>