priority | (optional) Priority of the announcement. Can be low, medium, or high. Defaults to low. |
delay | (optional) Delay in milliseconds before the announcement is made. Defaults to 10. |
disabled | (optional) If true, the announcement will not be made. Defaults to false. |
atomic | (optional) If true, assistive technologies will present the entire region as a whole. If false, only additions will be announced. |
politeness | (optional) The politeness setting for the announcement. Can be polite or assertive. |
relevant | (optional) A space-separated list of the types of changes that should be announced. Can be additions, removals, text, or all. |
children | The content that will be announced to the user. |