CmdID / PowerShell / Cmdlets / Update
Update-SiteMailbox
Use the Update-SiteMailbox cmdlet to trigger a Microsoft SharePoint synchronization. Exchange PowerShell reference
From the Exchange PowerShell reference 8 parameters Its page in the reference
Parameters
-IdentityThe Identity parameter specifies the site mailbox that you want to update.-BypassOwnerCheckThe BypassOwnerCheck parameter is used when the account that's running the command isn't a member or owner of the site mailbox.-Confirm, -cfThe Confirm switch specifies whether to show or hide the confirmation prompt.-FullSyncThe FullSync switch specifies a full synchronization.-OrganizationThis parameter is reserved for internal Microsoft use.-ServerThe Server parameter specifies the fully qualified domain name (FQDN) or the Microsoft SharePoint server on which the site mailbox is located.-TargetThe Target parameter specifies whether to update the SharePoint documents, the site mailbox's membership list or both.-WhatIf, -wiThe WhatIf switch shows what the command does without making any changes.