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
PoolState *	Current state of the Persistent Chat pool. Valid values are: * Normal * FailedOver The default value is Normal.	Field Name: PoolState Type: String
Identity	Unique identifier for the Persistent Chat pool. For example: -Identity "PersistentChatServer:atl-gc-001.litwareinc.com" If this parameter is omitted then the Get-CsPersistentChatState cmdlet returns information for all your Persistent Chat states.	Field Name: Identity Type: String
Anchor		Field Name: Anchor Type: String
ScopeClass		Field Name: ScopeClass Type: String
Element		Field Name: Element Type: String

Model: device/skypeforbusiness/CsPersistentChatState