public function deleteAttachment ($list_name, $list_item_id, $url) {
		// Wrap in CAML
		$CAML = '
		<DeleteAttachment xmlns="http://schemas.microsoft.com/sharepoint/soap/">
			<listName>' . $list_name . '</listName>
			<listItemID>' . $list_item_id . '</listItemID>
			<url>' . $url . '</url>
		</DeleteAttachment>';

		$xmlvar = new \SoapVar($CAML, XSD_ANYXML);

		// Attempt to run operation
		try {
			$this->soapClient->DeleteAttachment($xmlvar);
		} catch (\SoapFault $fault) {
			$this->onError($fault);
		}

		// Return true on success
		return true;
	}