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
Base		Group Assigned by FDP	Field Name: Base Type: Object
	Application Type		Field Name: Base.ApplicationId Type: String Choices: ["Auto Attendant", "Call Queue"]
	Display Name		Field Name: Base.DisplayName Type: String
	User Principal Name *		Field Name: Base.UserPrincipalName Type: String
	Domains		Field Name: Base.Domains Type: String
	User Principal Name		Field Name: Base.generatedUserPrincipalName Type: String
	Phone Number		Field Name: Base.PhoneNumber Type: ["String", "Null"]
	Phone Number Type		Field Name: Base.PhoneNumberType Type: String Choices: ["Direct Routing", "Calling Plan", "Operator Connect"]

Model: device/msteamsonline/CsOnlineApplicationInstance