An asterisk * in the title indicates the field is mandatory.
If a field has a default value, it is shown in the Description column.
If the field type is an array, the Field Name has a .[n] suffix, where n is the array index placeholder.
Object and array field names are listed to provide context. If a field belongs to an object or an array, the full field name is shown in dot separated notation.

Title		Description	Details
GroupType		The filter to return only groups of the specified type. Valid values are Security, MailEnabledSecurity, and DistributionList.	Field Name: GroupType Type: String
ExtensionData			Field Name: ExtensionData Type: String
Errors			Field Name: Errors Type: String
DisplayName		The display name of the group.	Field Name: DisplayName Type: String
Description		The description of the group.	Field Name: Description Type: String
ObjectId		The unique ID of the group to retrieve.	Field Name: ObjectId Type: String
CommonName			Field Name: CommonName Type: String
DirSyncProvisioningErrors			Field Name: DirSyncProvisioningErrors Type: String
LastDirSyncTime			Field Name: LastDirSyncTime Type: String Format: date-time
TenantId		The unique ID of the tenant to perform the operation on. If this is not provided then the value will default to the tenant of the current user. This parameter is only applicable to partner users.	Field Name: TenantId Type: String
ManagedBy		The owner of the group.	Field Name: ManagedBy Type: String
	ProxyAddresses		Field Name: ProxyAddresses.[n] Type: Array
EmailAddress			Field Name: EmailAddress Type: String
ValidationStatus			Field Name: ValidationStatus Type: Integer
Licenses			Field Name: Licenses Type: String
IsSystem			Field Name: IsSystem Type: Boolean

Model: device/msonline/MsolGroup