Update ChangeLog

Author: wpooley

src/ApiManagement/ApiManagement/ChangeLog.md

@@ -18,7 +18,50 @@
         - Additional information about change #1
 -->
 ## Upcoming Release
- [Breaking change] Sample has been replaced by Examples in New-AzApiManagementOperation and Set-AzApiManagementOperation
+ [Breaking change] Sample has been replaced by Examples in 
+ `New-AzApiManagementOperation` and `Set-AzApiManagementOperation`
+
+* `Add-AzApiManagementRegion`: New parameter added:
+[-PublicIpAddressId <String>] 
+
+* `Backup-AzApiManagement`: New parameter added:
+[-AccessType <String>]
+[-IdentityClientId <String>]
+
+* `New-AzApiManagement`: New parameter added:
+[-PublicNetworkAccess <String>]
+[-PublicIpAddressId <String>]
+
+* `New-AzApiManagementCustomHostnameConfiguration`: New parameter added:
+[-ManagedCertificate]
+
+* `New-AzApiManagementRegion`: New parameter added:
+[-PublicIpAddressId <String>]
+
+* `Restore-AzApiManagement`: New parameter added:
+[-AccessType <String>]
+[-IdentityClientId <String>]
+
+* `Update-AzApiManagementRegion`: New parameter added:
+[-PublicIpAddressId <String>]
+
+* `New-AzApiManagementApi`: New parameter added:
+ [-ApiType <PsApiManagementApiType>]
+ [-TermsOfServiceUrl <String>]
+ [-ContactName <String>]
+ [-ContactUrl <String>]
+ [-ContactEmail <String>]
+ [-LicenseName <String>]
+ [-LicenseUrl <String>]
+
+* `Set-AzApiManagementApi`: New parameter added:
+ [-ApiType <PsApiManagementApiType>]
+ [-TermsOfServiceUrl <String>]
+ [-ContactName <String>]
+ [-ContactUrl <String>]
+ [-ContactEmail <String>]
+ [-LicenseName <String>]
+ [-LicenseUrl <String>]
 
 ## Version 2.3.1
 * Fixed a bug in `Get-AzApiManagementTenantGitAccess` cmdlet.