7.9. Use an Encrypted Sensitive String in Configuration

/core-service=management:read-resource-description(recursive=true)

...
  <subsystem xmlns="urn:jboss:domain:datasources:1.0">
    <datasources>
      <datasource jndi-name="java:jboss/datasources/ExampleDS" enabled="true" use-java-context="true" pool-name="H2DS">
        <connection-url>jdbc:h2:mem:test;DB_CLOSE_DELAY=-1</connection-url>
        <driver>h2</driver>
        <pool></pool>
        <security>
          <user-name>sa</user-name>
          <password>${VAULT::ds_ExampleDS::password::1}</password>
        </security>
      </datasource>
      <drivers>
         <driver name="h2" module="com.h2database.h2">
            <xa-datasource-class>org.h2.jdbcx.JdbcDataSource</xa-datasource-class>
         </driver>
      </drivers>
    </datasources>
  </subsystem>
...