Get the mail folder collection directly under the root folder of the signed-in user. The returned collection includes any mail search folders directly under the root.
This operation does not return all mail folders in a mailbox, only the child folders of the root folder. To return all mail folders in a mailbox, each child folder must be traversed separately.
Least privileged Microsoft Graph permission to access the action via application: Mail.ReadBasic.All.
Indicates whether the new folder is hidden. Setting the property is optional. Once set, you cannot update this property. The default option is to include the hidden folders.