azurerm_monitor_scheduled_query_rules_alert_v2: add support for email_subject within action block

internal/services/monitor/monitor_scheduled_query_rules_alert_v2_resource.go

@@ -48,6 +48,7 @@ type ScheduledQueryRulesAlertV2Model struct {
 type ScheduledQueryRulesAlertV2ActionsModel struct {
 	ActionGroups     []string          `tfschema:"action_groups"`
 	CustomProperties map[string]string `tfschema:"custom_properties"`
+	EmailSubject     string            `tfschema:"email_subject"`
 }
 
 type ScheduledQueryRulesAlertV2CriteriaModel struct {
@@ -294,6 +295,11 @@ func (r ScheduledQueryRulesAlertV2Resource) Arguments() map[string]*pluginsdk.Sc
 							Type: pluginsdk.TypeString,
 						},
 					},
+					"email_subject": {
+						Type:         pluginsdk.TypeString,
+						Optional:     true,
+						ValidateFunc: validation.StringIsNotEmpty,
+					},
 				},
 			},
 		},
@@ -763,6 +769,16 @@ func expandScheduledQueryRulesAlertV2ActionsModel(inputList []ScheduledQueryRule
 		CustomProperties: &input.CustomProperties,
 	}
 
+	if input.EmailSubject != "" {
+		m := map[string]string{
+			"Email.Subject": input.EmailSubject,
+		}
+		output.ActionProperties = &m
+	} else {
+		m := map[string]string{}
+		output.ActionProperties = &m
+	}
+
 	return &output
 }
 
@@ -844,6 +860,12 @@ func flattenScheduledQueryRulesAlertV2ActionsModel(input *scheduledqueryrules.Ac
 		output.CustomProperties = *input.CustomProperties
 	}
 
+	if input.ActionProperties != nil {
+		if s, ok := (*input.ActionProperties)["Email.Subject"]; ok {
+			output.EmailSubject = s
+		}
+	}
+
 	return append(outputList, output)
 }
 

internal/services/monitor/monitor_scheduled_query_rules_alert_v2_resource_test.go

@@ -305,6 +305,7 @@ resource "azurerm_monitor_scheduled_query_rules_alert_v2" "test" {
     custom_properties = {
       key = "value"
     }
+    email_subject = "acctest subject v1"
   }
 
   tags = {
@@ -363,6 +364,7 @@ resource "azurerm_monitor_scheduled_query_rules_alert_v2" "test" {
       key  = "value"
       key2 = "value2"
     }
+    email_subject = "acctest subject v2"
   }
 
   tags = {

website/docs/r/monitor_scheduled_query_rules_alert_v2.html.markdown

@@ -87,6 +87,7 @@ resource "azurerm_monitor_scheduled_query_rules_alert_v2" "example" {
       key  = "value"
       key2 = "value2"
     }
+    email_subject = "Email Header"
   }
 
   identity {
@@ -164,6 +165,8 @@ An `action` block supports the following:
 
 * `custom_properties` - (Optional) Specifies the properties of an alert payload.
 
+* `email_subject` - (Optional) Custom subject override for all email ids in Azure action group.
+
 ---
 
 A `criteria` block supports the following: