| Property | Description | |||
| Property Name | Add | |||
| Argument - attributeName | The name of the new attribute to be created | |||
| Argument - attributeValue | The value of the attribute | |||
| Argument - attributeNamespace | The namespace the attribute will be a part of (if this is not defined then the namespace is taken from the parent element) | |||
| Argument - attrib | An existing attribute to copy into this elements collection. | |||
| Returns | The newly created attribute. | |||
| Description | Adds an attribute to the end of the collection | |||
| Remarks | May throw an exception if the namespace is invalid or the attribute already exists in the collection |