Inserts content into a template. That content is defined —with
            the ui:define tag — in either a
            ui:composition, ui:component,
            ui:decorate, or ui:fragment.
| Name | Required | Type | Description | 
|---|---|---|---|
| name | false | javax.el.ValueExpression(must evaluate to java.lang.String) | 
                The optional name attribute matches the associated <ui:define/>
                tag in this template's client. If no name is specified, it's
                expected
                that the whole template client will be inserted.
                 |