files/en-us/web/svg/reference/attribute/attributename/index.md
The attributeName attribute indicates the name of the CSS property or attribute of the target element that is going to be changed during an animation.
You can use this attribute with the following SVG elements:
html,
body,
svg {
height: 100%;
}
<svg viewBox="0 0 250 250" xmlns="http://www.w3.org/2000/svg">
<rect x="50" y="50" width="100" height="100">
<animate
attributeType="XML"
attributeName="y"
from="0"
to="50"
dur="5s"
repeatCount="indefinite" />
</rect>
</svg>
{{EmbedLiveSample("Example", "400", "250")}}
<name>
{{Specifications}}