<a:button outcome="productDetail" value="Bookmark" icon="ui-icon-star"> <f:param name="productId" value="10" /> </a:button> <a:button outcome="productDetail" value="With Icon" icon="ui-icon-star"> <f:param name="productId" value="20" /> </a:button> <a:button outcome="productDetail" icon="ui-icon-star" title="Icon Only"> <f:param name="productId" value="30" /> </a:button> <a:button outcome="productDetail" value="Bookmark" icon="ui-icon-star" disabled="true"> <f:param name="productId" value="40" /> </a:button>