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
Identity															Unique identifier of the user database whose online status is to be returned. For example: -Identity "UserDatabase:atl-sql-001.litwareinc.com" You cannot use both Identity and RegistrarPool in the same command, nor can you use wildcards with either parameter. If both parameters are omitted the Get-CsUserDatabaseState cmdlet returns information about all the user databases currently in use.																				Field Name: Identity Type: String
Online															When set to True ($True), makes a database available online. When set to False ($False), takes a database offline.																				Field Name: Online Type: Boolean

Model: device/skypeforbusiness/CsUserDatabaseState