Update Set-CsTeamsEventsPolicy.md

added description for AllowTownhalls policy

Author: navirdee

teams/teams-ps/teams/Set-CsTeamsEventsPolicy.md

@@ -69,6 +69,56 @@ Accept wildcard characters: False
 Enables administrators to provide explanatory text to accompany a Teams Events policy.
 
 
+```yaml
+Type: String
+Parameter Sets: (All)
+Aliases:
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
+### -AllowTownhalls
+This setting governs if a user can create town halls using Teams Events.
+Possible values are:
+ - **Enabled**: Enables creating town halls.
+ - **Disabled**: Disables creating town halls.
+
+
+```yaml
+Type: String
+Parameter Sets: (All)
+Aliases:
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
+### -Confirm
+Prompts you for confirmation before running the cmdlet.
+
+```yaml
+Type: SwitchParameter
+Parameter Sets: (All)
+Aliases: cf
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
+### -Description
+Enables administrators to provide explanatory text to accompany a Teams Events policy.
+
+
 ```yaml
 Type: String
 Parameter Sets: (All)