Fix locale issue

Author: loafoe

CHANGELOG.md

@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## v0.31.2
+- Email template: change locale handling
+
+## v0.31.1
+- Bug fixes
+
 ## v0.31.0
 - [NEW] IDM Email Templates support
 

iam/email_templates_service.go

@@ -35,7 +35,7 @@ type EmailTemplate struct {
 	Format string `json:"format" validate:"required" enum:"HTML"`
 
 	// Locale is the locale for the email template. The locale is case insensitive
-	Locale string `json:"locale" validate:"required"`
+	Locale string `json:"locale,omitempty"`
 
 	// Subject is the email subject
 	Subject string `json:"subject" validate:"required,min=1,max=256"`