Allow clearing a campaign reminder on update

.changes/unreleased/Feature-20260916-090000.yaml

@@ -0,0 +1,4 @@
+kind: Feature
+body: Make `CampaignUpdateInput.Reminder` nullable so an existing campaign reminder
+  can be cleared by sending an explicit `null`
+time: 2026-09-16T09:00:00.000000000-05:00

campaign_test.go

@@ -80,6 +80,70 @@ func TestUpdateCampaign(t *testing.T) {
 	autopilot.Equals(t, id2, campaign.Owner.Id)
 }
 
+func TestUpdateCampaignSetReminder(t *testing.T) {
+	// Arrange
+	testRequest := autopilot.NewTestRequest(
+		`{{ template "campaign_update_request" }}`,
+		`{{ template "campaign_update_reminder_request_vars" }}`,
+		`{{ template "campaign_update_reminder_response" }}`,
+	)
+	client := BestTestClient(t, "campaign/update_reminder", testRequest)
+
+	// Act
+	campaign, err := client.UpdateCampaign(ol.CampaignUpdateInput{
+		Id: id1,
+		Reminder: ol.NewNullableFrom(ol.CampaignReminderInput{
+			Channels: &[]ol.CampaignReminderChannelEnum{
+				ol.CampaignReminderChannelEnumSlack,
+				ol.CampaignReminderChannelEnumMicrosoftTeams,
+			},
+			DaysOfWeek:          &[]ol.DayOfWeekEnum{ol.DayOfWeekEnumMonday},
+			DefaultSlackChannel: ol.RefOf("#engineering"),
+			Frequency:           1,
+			FrequencyUnit:       ol.CampaignReminderFrequencyUnitEnumWeek,
+			Message:             ol.RefOf("Please complete your campaign checks"),
+			TimeOfDay:           "09:00",
+			Timezone:            "America/Chicago",
+		}),
+	})
+
+	// Assert
+	autopilot.Ok(t, err)
+	autopilot.Equals(t, id1, campaign.Id)
+	autopilot.Equals(t, []ol.CampaignReminderChannelEnum{
+		ol.CampaignReminderChannelEnumSlack,
+		ol.CampaignReminderChannelEnumMicrosoftTeams,
+	}, campaign.Reminder.Channels)
+	autopilot.Equals(t, []ol.DayOfWeekEnum{ol.DayOfWeekEnumMonday}, campaign.Reminder.DaysOfWeek)
+	autopilot.Equals(t, "#engineering", campaign.Reminder.DefaultSlackChannel)
+	autopilot.Equals(t, 1, campaign.Reminder.Frequency)
+	autopilot.Equals(t, ol.CampaignReminderFrequencyUnitEnumWeek, campaign.Reminder.FrequencyUnit)
+	autopilot.Equals(t, "Please complete your campaign checks", campaign.Reminder.Message)
+	autopilot.Equals(t, "09:00", campaign.Reminder.TimeOfDay)
+	autopilot.Equals(t, "America/Chicago", campaign.Reminder.Timezone)
+}
+
+func TestUpdateCampaignClearReminder(t *testing.T) {
+	// Arrange
+	testRequest := autopilot.NewTestRequest(
+		`{{ template "campaign_update_request" }}`,
+		`{{ template "campaign_clear_reminder_request_vars" }}`,
+		`{{ template "campaign_update_response" }}`,
+	)
+	client := BestTestClient(t, "campaign/clear_reminder", testRequest)
+
+	// Act
+	campaign, err := client.UpdateCampaign(ol.CampaignUpdateInput{
+		Id:       id1,
+		Reminder: ol.NewNullOf[ol.CampaignReminderInput](),
+	})
+
+	// Assert
+	autopilot.Ok(t, err)
+	autopilot.Equals(t, id1, campaign.Id)
+	autopilot.Equals(t, ol.CampaignReminder{}, campaign.Reminder)
+}
+
 func TestDeleteCampaign(t *testing.T) {
 	// Arrange
 	testRequest := autopilot.NewTestRequest(

input.go

@@ -158,12 +158,12 @@ type CampaignUnscheduleInput struct {
 
 // CampaignUpdateInput Specifies the input fields used to update a campaign
 type CampaignUpdateInput struct {
-	FilterId     *Nullable[ID]          `json:"filterId,omitempty" yaml:"filterId,omitempty" example:"Z2lkOi8vc2VydmljZS8xMjM0NTY3ODk"` // The ID of the filter applied to this campaign (Optional)
-	Id           ID                     `json:"id" yaml:"id" example:"Z2lkOi8vc2VydmljZS8xMjM0NTY3ODk"`                                 // The id of the campaign to be updated (Required)
-	Name         *string                `json:"name,omitempty" yaml:"name,omitempty" example:"example_value"`                           // The name of the campaign (Optional)
-	OwnerId      *Nullable[ID]          `json:"ownerId,omitempty" yaml:"ownerId,omitempty" example:"Z2lkOi8vc2VydmljZS8xMjM0NTY3ODk"`   // The ID of the team that owns this campaign (Optional)
-	ProjectBrief *string                `json:"projectBrief,omitempty" yaml:"projectBrief,omitempty" example:"example_value"`           // The project brief of the campaign (Optional)
-	Reminder     *CampaignReminderInput `json:"reminder,omitempty" yaml:"reminder,omitempty"`                                           // Configuration of an optional campaign reminder (Optional)
+	FilterId     *Nullable[ID]                    `json:"filterId,omitempty" yaml:"filterId,omitempty" example:"Z2lkOi8vc2VydmljZS8xMjM0NTY3ODk"` // The ID of the filter applied to this campaign (Optional)
+	Id           ID                               `json:"id" yaml:"id" example:"Z2lkOi8vc2VydmljZS8xMjM0NTY3ODk"`                                 // The id of the campaign to be updated (Required)
+	Name         *string                          `json:"name,omitempty" yaml:"name,omitempty" example:"example_value"`                           // The name of the campaign (Optional)
+	OwnerId      *Nullable[ID]                    `json:"ownerId,omitempty" yaml:"ownerId,omitempty" example:"Z2lkOi8vc2VydmljZS8xMjM0NTY3ODk"`   // The ID of the team that owns this campaign (Optional)
+	ProjectBrief *string                          `json:"projectBrief,omitempty" yaml:"projectBrief,omitempty" example:"example_value"`           // The project brief of the campaign (Optional)
+	Reminder     *Nullable[CampaignReminderInput] `json:"reminder,omitempty" yaml:"reminder,omitempty"`                                           // Configuration of an optional campaign reminder (Optional)
 }
 
 // CheckAlertSourceUsageCreateInput Specifies the input fields used to create an alert source usage check

templates/inputObjects.tpl

@@ -3,6 +3,7 @@
 type {{ .Name }} struct { {{ range .Values }}
   {{ title .Name.Name }} {{ if and (eq $.Name "AliasCreateInput") (eq .Name.Name "ownerId") }}ID
    {{- else if and (eq $.Name "CheckPackageVersionUpdateInput") (eq .Name.Name "versionConstraintPredicate") }}*PredicateUpdateInput
+   {{- else if and (eq $.Name "CampaignUpdateInput") (eq .Name.Name "reminder") }}*Nullable[CampaignReminderInput]
    {{- else if and (eq $.Name "ManualCheckFrequencyUpdateInput") (eq .Name.Name "frequencyValue") }}*Nullable[int]
    {{- else if eq $.Name "IdentifierInput" }}
      {{- if eq .Type.String "String" }}*string

testdata/templates/campaigns.tpl

@@ -163,6 +163,40 @@ mutation CampaignUpdate($input:CampaignUpdateInput!){campaignUpdate(input: $inpu
     },"errors":[]}}
 }{{ end }}
 
+{{- define "campaign_update_reminder_request_vars" }}
+{"input":{"id":"{{ template "id1_string" }}","reminder":{"channels":["slack","microsoft_teams"],"daysOfWeek":["monday"],"defaultSlackChannel":"#engineering","frequency":1,"frequencyUnit":"week","message":"Please complete your campaign checks","timeOfDay":"09:00","timezone":"America/Chicago"}}}
+{{ end }}
+
+{{- define "campaign_update_reminder_response" }}{
+    "data":{"campaignUpdate":{"campaign":{
+        {{ template "id1" }},
+        "name":"Updated Campaign",
+        "htmlUrl":"https://app.opslevel.com/campaigns/updated",
+        "status":"draft",
+        "checkStats":{"total":0,"totalSuccessful":0},
+        "serviceStats":{"total":0,"totalSuccessful":0},
+        "owner":{ {{ template "id2" }}, "alias":"staff" },
+        "projectBrief":"A test campaign",
+        "rawProjectBrief":"A test campaign",
+        "filter":null,
+        "reminder":{
+            "channels":["slack","microsoft_teams"],
+            "daysOfWeek":["monday"],
+            "defaultSlackChannel":"#engineering",
+            "frequency":1,
+            "frequencyUnit":"week",
+            "message":"Please complete your campaign checks",
+            "nextOccurrence":"2026-05-04T09:00:00Z",
+            "timeOfDay":"09:00",
+            "timezone":"America/Chicago"
+        }
+    },"errors":[]}}
+}{{ end }}
+
+{{- define "campaign_clear_reminder_request_vars" }}
+{"input":{"id":"{{ template "id1_string" }}","reminder":null}}
+{{ end }}
+
 {{- define "campaign_delete_request" }}
 mutation CampaignDelete($input:DeleteInput!){campaignDelete(input: $input){deletedId,errors{message,path}}}
 {{ end }}