| Authorization token required | true |
| Admin Authorization token required | false |
<ModifyMailboxMetadataRequest> ## ModifyMailboxMetadataRequest
<meta [section="{section}"]> ## MailCustomMetadata
(<a n="{key}">{value}</a> ## KeyValuePair)*
</meta>
</ModifyMailboxMetadataRequest>
elements and attributes you can define within a
<ModifyMailboxMetadataRequest> element:
| XPath | Required / Optional | Description |
| /meta | Optional (0 or 1) | Metadata changes |
| /meta@section | Optional (0 or 1) | Type: String Section. Normally present. If absent this indicates that CustomMetadata info is present but there are no sections to report on. |
| /meta/a | Optional (0 or more) | Type: {value} Key value pairs Description for element text content:Value |
| /meta/a@n | Required (only 1) | Type: String Key |
<ModifyMailboxMetadataResponse /> ## ModifyMailboxMetadataResponse