It is a unified API to trigger workflow and doesn’t require user creation before hand to trigger notification. Recommended for platforms transitioning their existing notifications to SuprSend. If you are using our frontend SDKs to configure notifications and passing events and user properties from third-party data platforms like Segment, then event-based trigger would be a better choice.
Available in SDK version >= v0.5.1

​
Payload Schema

package main

import (
    "log"
    suprsend "github.com/suprsend/suprsend-go"
)

// Initialize SDK
func main() {
    suprClient, err: = suprsend.NewClient("_workspace_key_", "_workspace_secret_")
    if err != nil {
        log.Println(err)
    }
    _ = suprClient
    triggerWorkflowAPI(suprClient)
}

func triggerWorkflowAPI(suprClient * suprsend.Client) {

    // Create WorkflowRequest body
    wfReqBody: = map[string] interface {} {
        "workflow": "_workflow_slug_",
        "actor": map[string] interface {} {
                "distinct_id": "0fxxx8f74-xxxx-41c5-8752-xxxcb6911fb08",
                "name": "actor_1",
                "$skip_create": true,
            },
            "recipients": [] map[string] interface {} {
                // notify user
                {
                    "distinct_id": "0gxxx9f14-xxxx-23c5-1902-xxxcb6912ab09",
                    "$email": [] string {
                        "abc@example.com"
                    },
                    "name": "recipient_1",
                    "$preferred_language": "en",
                    "$timezone": "America/New_York",
                    "$skip_create": true,
                },
                // notify object
                {
                    "object_type":   "teams",
                    "id": "finance",
                    "$skip_create": true,
                },
            },
            // data can be any json/serializable map structure
            "data": map[string] interface {} {
                "first_name": "User",
                "invoice_amount": "$5000",
                "invoice_id": "Invoice-1234",
                "spend_amount": "$10",
            },
    }

        w1: = & suprsend.WorkflowTriggerRequest {
            Body: wfReqBody,
            TenantId: "tenant_id1",
            IdempotencyKey: "_unique_identifier_of_the_request_",
        }
        // Call Workflows.Trigger to send request to Suprsend
    resp,
    err: = suprClient.Workflows.Trigger(w1)
    if err != nil {
        log.Fatalln(err)
    }
    log.Println(resp)
}
To prevent automatic creation of an actor, or recipient (user/object) in SuprSend (the case where they already exist in your system), you can use the "$skip_create": true flag.This can be applied inside the actor, individual user recipient objects, or object recipient objects.
PropertyTypeDescription
workflowstringSlug of designed workflow on SuprSend dashboard. You’ll get the slug from workflow settings.
actor (optional)string / objectIncludes distinct_id and properties of the user who performed the action. You can use it for cross-user notifications where you need to include actor properties in notification template. Actor properties can be added as $actor.<prop>.
recipientsarray of string / array of objectsList of users or objects who need to be notified. You can add up to 100 recipients in a workflow trigger. You can either pass recipients as an array of distinct_ID (if user is pre-synced in SuprSend database) or define recipient information inline.
dataobjectvariable data required to render dynamic template content or workflow properties such as dynamic delay or channel override in send node.
tenant_idstringunique identifier of the brand / tenant
idempotency_keystringunique identifier of the request. We’ll be returning idempotency_key in our outbound webhook response. You can use it to map notification statuses and replies in your system.
recipients[].$timezonestringto set recipient’s timezone. Used to send notification in user’s local timezone. You can pass timezone in IANA (TZ identifier) format.
recipients[].$preferred_languagestringto set recipient’s preferred language. This is to support localization in notification content. You can pass the language in ISO 639-1 2-letter format. Refer all language codes here .

​
Sending notification to multiple recipients

Recipients in workflow call is an array of distinct_ids or recipient objects. You can pass up to 100 recipients in a single workflow trigger. SuprSend will internally convert it into multiple workflow triggers, one for each recipient in the array. 
"recipients": []map[string]interface{}{
      {
        "distinct_id": "id1",
        "$email":["abc@example.com"],
        "name":"recipient_1"
      },
  	 {
        "distinct_id": "id1",
        "$email":["abc@example.com"],
        "name":"recipient_2"
      }
}

---- OR ------
"recipients": []string{"id1","id2"}
Use lists to broadcast to a large list of users:We recommend you to use lists and broadcasts to send notifications to a user list larger than 1000 users. This approach allows for bulk processing within SuprSend, resulting in significantly faster delivery compared to individual workflow calls. Sending individual workflows to a large set of users may introduce delays in your notification queue and is not an optimized way of handling bulk trigger.

​
Identifying recipients inline

One of the benefits of using direct workflow trigger is that you can identify recipients inline. You can include recipient channel information, their channel preferences, and their user properties along with the workflow trigger. Upon triggering the workflow, the recipient will be automatically created in the SuprSend database in the background. This facilitates dynamic synchronization of your user data within SuprSend and eliminates the need for any migration efforts on your end to start sending notifications from SuprSend. You can also use recipient properties in your template as $recipient.<property>. This is how the complete recipient object with look like 
"recipients": []map[string]interface{}{
  {
    "distinct_id": "0gxxx9f14-xxxx-23c5-1902-xxxcb6912ab09",
    "$email":["abc@example.com"],
    "$channels":["email","inbox"],
    "user_prop1":"value_1",
    "$preferred_language":"en",
    "$timezone": "America/New_York"
  }
}
PropertyTypeDescription
distinct_idstringUnique identifier of the user to be notified.
$<channel> like $email, $sms etc.array of string / objectsYou can pass user channel information using $<channel> key. The channel info will be updated to user profile in the background. For this workflow, only channel values specified in this key will be used for sending notification (instead of all channel values present in User profile). Refer how different communication channels can be passed here
$channelsarray of stringUse it to pass user’s channel preference in the payload. You can always use our in-build preference APIs to maintain user notification preferences. Preferences defined within SuprSend will automatically apply with workflow trigger. By default, notifications will be sent to all channels defined in the workflow delivery node. However, if you have a scenario where user has specific channel preference for a notification (e.g. they only want to receive payment reminders via email), you can include that preference in the workflow payload. This will ensure that notifications are sent only to the channels specified in the $channels key. The supported channel values are email, sms, whatsapp, androidpush, iospush, slack, webpush, ms_teams.
$preferred_languagestringto set recipient’s preferred language. This is to support localization in notification content. You can pass the language in ISO 639-1 2-letter format. Refer all language codes here .
$timezonestringto set recipient’s timezone. Used to send notification in user’s local timezone. You can pass timezone in IANA (TZ identifier) format.
*key-value pairYou can pass other user properties to render dynamic template content in key-value pair as "user_prop1":"value1" . Extra properties will be set in subscriber profile (as subscriber properties) which can then be used in the template as $recipient.<property>.

​
Add user communication channel

You can add channels in recipient map as shown below: 
"$email":["abc@example.com"],
"$whatsapp":["+15555555555"],
"$sms":["+15555555555"],
"$androidpush": map[string]interface{}{"token": "__android_push_token__", "provider": "fcm"},
"$iospush":map[string]interface{}{{"token": "__ios_push_token__", "provider": "apns"},
"$slack": map[string]interface{}{
  "email": "abc@example.com",
  "access_token": "xoxb-XXXXXXXX"
}   // slack using email

"$slack": map[string]interface{}{
  "user_id": "U/WXXXXXXXX",
  "access_token": "xoxb-XXXXXX"
} // slack using member_id

"$slack": map[string]interface{}{
  "channel": "CXXXXXXXX",
  "access_token": "xoxb-XXXXXX"
} // slack channel

"$slack": map[string]interface{}{
  "incoming_webhook": {
    "url": "https://hooks.slack.com/services/TXXXX/BXXXX/XXXXXXX"
  }
} // slack incoming webhook

"$ms_teams": map[string]interface{}{
  "tenant_id": "c1981ab2-9aaf-xxxx-xxxx",
  "service_url": "https://smba.trafficmanager.net/amer",
  "conversation_id": "19:c1524d7c-a06f-456f-8abe-xxxx"
} // MS teams user or channel using conversation_id

"$ms_teams": map[string]interface{}{
  "tenant_id": "c1981ab2-9aaf-xxxx-xxxx",
  "service_url": "https://smba.trafficmanager.net/amer",
  "user_id": "29:1nsLcmJ2RKtYH6Cxxxx-xxxx"
} // MS teams user using user_id

"$ms_teams": map[string]interface{}{
  "incoming_webhook": {
    "url": "https://wnk1z.webhook.office.com/webhookb2/XXXXXXXXX"
  }
} // MS teams incoming webhook

​
Sending cross-user notifications

In scenarios where you need to notify a group of users based on another user’s action, such as sending a notification to the document owner when someone comments on it, you can specify the actor in your workflow call. This allows you to use actor’s name or other properties in your notification template. Actor properties can be included in the template as $actor.<property>. Sample template with actor and recipient properties: 
//handlebar template
Hi {{$recipient.name}}, {{$actor.name}} added {{length comments}} new comments on the {{doc_name}}.

//Rendered content
Hi recipient_1, actor_1 added 2 new comments on the annual IT report.


wfReqBody := map[string]interface{}{
    "workflow": "new_comment",
    "actor": map[string]interface{}{
      "distinct_id":  "0fxxx8f74-xxxx-41c5-8752-xxxcb6911fb08",
      "name":          "actor_1",
    },
    "recipients": []map[string]interface{}{
      {
        "distinct_id":  "0gxxx9f14-xxxx-23c5-1902-xxxcb6912ab09",
        "$email": []string{"abc@example.com"},
        "name":"recipient_1"
      },
    },
    // # data can be any json / serializable python-dictionary
    "data": map[string]interface{}{
      "doc_name": "annual IT report",
      "date": "2024-01-01",
      "comments":["change the date","rest looks good"],
    },
  }

​
Sending notification to anonymous user

You can send notifications to anonymous users by passing "is_transient": true in your recipient object. This approach is recommended for scenarios where you need to send notifications to unregistered users without creating them in the SuprSend platform. The same way, you can pass "is_transient": true in your actor object to use actor properties in template without creating user profile. 
package main

import (
  "log"
  suprsend "github.com/suprsend/suprsend-go"
)

// Initialize SDK
func main() {
  suprClient, err := suprsend.NewClient("_workspace_key_", "_workspace_key_")
  if err != nil {
    log.Println(err)
  }
  _ = suprClient
  triggerWorkflowAPI(suprClient)
}

func triggerWorkflowAPI(suprClient *suprsend.Client) {

  // Create WorkflowRequest body
  wfReqBody := map[string]interface{}{
    "workflow": "_workflow_slug_",
    "actor": map[string]interface{}{
      "is_transient": true,
      "name": "actor_1",
    },
    "recipients": []map[string]interface{}{
      {
        "is_transient": true,
        "$email": []string{"abc@example.com"},
        "name":"recipient_1",
      },
    },
    // # data can be any json / serializable python-dictionary
    "data": map[string]interface{}{
      "first_name":    "User",
      "invoice_amount": "$5000",
      "invoice_id":"Invoice-1234",
      "spend_amount":  "$10",
    },
  }

  w1 := &suprsend.WorkflowTriggerRequest{
    Body: wfReqBody,
    TenantId: "tenant_id1",
    IdempotencyKey: "_unique_identifier_of_the_request_",
  }
  // Call Workflows.Trigger to send request to Suprsend
  resp, err := suprClient.Workflows.Trigger(w1)
  if err != nil {
    log.Fatalln(err)
  }
  log.Println(resp)
}

​
Multi-tenant notifications

For use cases where you want to send notifications to your enterprise customers’ end users, pass the tenant_id in your workflow instance. You can use this to dynamically manage tenant level notification customizations. This includes the ability to customize template design or content and route notifications via tenant vendors. 
package main

import (
  "log"
  suprsend "github.com/suprsend/suprsend-go"
)

// Initialize SDK
func main() {
  suprClient, err := suprsend.NewClient("_workspace_key_", "_workspace_key_")
  if err != nil {
    log.Println(err)
  }
  _ = suprClient
  triggerWorkflowAPI(suprClient)
}

func triggerWorkflowAPI(suprClient *suprsend.Client) {

  // Create WorkflowRequest body
  wfReqBody := map[string]interface{}{...}

  w1 := &suprsend.WorkflowTriggerRequest{
    Body: wfReqBody,
    TenantId: "tenant_id1",
    IdempotencyKey: "_unique_identifier_of_the_request_",
  }
  // Call Workflows.Trigger to send request to Suprsend
  resp, err := suprClient.Workflows.Trigger(w1)
  if err != nil {
    log.Fatalln(err)
  }
  log.Println(resp)
}

​
Idempotent requests

SuprSend supports idempotency to ensure that requests can be retried safely without duplicate processing. If Suprsend receives and processes a request with an idempotency_key, it will skip processing requests with same idempotency_key for next 24 hours. Idempotency key should be uniquely generated for each request (max 255 characters allowed). Spaces in start and end of the key will be trimmed. Here are some common approaches for generating idempotency keys:
  • Generate a random UUIDfor each request.
  • Construct the idempotency key by combining relevant information about the request. This can include parameters, identifiers, or specific contextual details that are meaningful within your application. e.g., you could concatenate the user ID, action, and timestamp to form an idempotency key likeuser147-new-comment-1687437670
  • Request-specific Identifier: If your request already contains a unique identifier, such as an order ID or a job ID, you can use that identifier directly as the idempotency key.
Once your request is accepted, you can check the status of your request in the ’ SuprSend Logs’ section.

​
Bulk API for triggering multiple workflows

Bulk API allows you to send multiple workflow requests in a single call. There isn’t any limit on number-of-records that can be added to bulk_workflows instance. Use .Append() on Workflows.bulkTriggerInstance() instance to add however-many-records to call in bulk. Response is an instance of suprsend.BulkResponse type. 
package main

import (
  "log"
  suprsend "github.com/suprsend/suprsend-go"
)

// Initialize SDK
func main() {
  suprClient, err := suprsend.NewClient("_workspace_key_", "_workspace_key_")
  if err != nil {
    log.Println(err)
  }
  _ = suprClient
  triggerWorkflowAPI(suprClient)
}

func triggerWorkflowAPI(suprClient *suprsend.Client) {

  // Create WorkflowRequest body
  wfReqBody1 := map[string]interface{}{...}
  wfReqBody2 := map[string]interface{}{...}

  // Workflow: 1
  w1 := &suprsend.WorkflowTriggerRequest{
    Body: wfReqBody1,
    TenantId: "tenant_id1",
    IdempotencyKey: "_unique_identifier_of_the_request_",
  }

  // Workflow: 2
  w2 := &suprsend.WorkflowTriggerRequest{
    Body: wfReqBody2,
    TenantId: "tenant_id1",
    IdempotencyKey: "_unique_identifier_of_the_request_",
  }
  // ...... Add as many Workflow records as required.

// Create bulk workflows instance
bulkIns := suprClient.Workflows.bulkTriggerInstance()

// add all your workflows to bulkInstance
bulkIns.Append(w1, w2)

// Trigger
bulkResponse, err := bulkIns.Trigger()
if err != nil {
  log.Println(err)
}
log.Println(bulkResponse)
}

​
Add file attachment in email

To add one or more Attachments to a Notification (viz. Email), call wfInstance.AddAttachment() for each file with local-path or an accessible URL. 
workflowBody := {...}
wfInstance := Workflow{Body: workflowBody}

// this snippet can be used to add attachment to workflow
err = wfInstance.AddAttachment("https://file_path.pdf")
if err != nil {
    log.Println(err)
}
A single workflow body size (including local file attachment) must not exceed 800KB (800 x 1024 bytes). If the file is a public accessible URL, attachment size doesn’t add to overall workflow size.

​
Dynamic workflow trigger

// Create workflow body
wfBody := map[string]interface{}{
  "name":                  "Workflow Name",
  "template":              "template slug",
  "notification_category": "category",
  // "delay":                 "15m", // Chek duration format in documentation

  "users": []map[string]interface{}{
    {
      "distinct_id": "_distinct_id_",

      // if $channels is present, communication will be tried on mentioned channels only.
      // "$channels": []string{"email"},
      "$email": []string{"abc@example.com"},
      "$androidpush": []map[string]interface{}{
        {"token": "__android_push_token__", "provider": "fcm", "device_id": ""},
      },
    },
  },

  // delivery instruction. how should notifications be sent, and whats the success metric
  "delivery": map[string]interface{}{
    "smart":   false,
    "success": "seen",
  },

  // data can be any json string
  "data": map[string]interface{}{
    "key1":   "value1"
  },
}

wf := &suprsend.Workflow{
  Body:           wfBody,
  IdempotencyKey: "",
  BrandId:        "",
}

// Call TriggerWorkflow to send request to Suprsend
_, err = suprClient.TriggerWorkflow(wf)
if err != nil {
  log.Fatalln(err)
}
+CountryCode Required for SMS and Whatsapp:For setting $sms and $whatsapp, +<countrycode> is mandatory to send along with phone number. Eg: +1 for US
For configuring a workflow from backend, you can pass following properties in your method
ParameterDescriptionFormatObligation
nameIt is the unique name of the workflow. You can see workflow-related analytics on the workflow page (how many notifications were sent, delivered, clicked or interacted). The workflow name should be easily identifiable for your reference at a later stagetextMandatory
templateIt is the unique slug of the template created on SuprSend platform. You can get this slug by clicking on the clipboard icon next to the Template name on SuprSend templates page. It is the same for all channelsMandatory
notification_categoryYou can understand more about them in the Notification Category documentationsystem / transactional / promotionalMandatory
delayWorkflow will be halted for the time mentioned in delay, and become active once the delay period is over.XXdXXhXXmXXs or if its number (n) then delay is in seconds (n)Optional
usersArray object of target users. At least 1 user mandatory. distinct_id for each user mandatory Channel information is non-mandatory. If you pass channel information here, then these channels will be used for sending notification otherwise channels will be picked from user profile."users": { "distinct_id": "value", "$channels": [], "channel_information_dict": {} },Mandatory
deliveryDelivery instructions for the workflow. You can enable smart delivery by setting "smart":True By default, delivery instruction will be "delivery": { "smart": False, "success": "seen" } Further details are given in the below sectiondelivery = { "smart": True/False, "success": "delivered/seen/interaction/", "time_to_live": "", "mandatory_channels": [] } # list of mandatory channels e.g gation”,Optional
dataJSON. To replace the variables in the template, templates use handlebars language"data": { "key": { "key": "value", "key": "value" } },Optional

To find the template slug name on SuprSend platform, click on the clipboard icon on Templates page. Templates > Template Details Page

**Response structure: **When you call suprClient.TriggerWorkflow, the SDK internally makes an HTTP call to SuprSend Platform to register this request, and you’ll get an error message if something fails
Note: The actual processing/execution of workflow happens asynchronously.
Once your request is accepted, you can check the status of your request in the ’ SuprSend Logs’ section. In the background, a workflow is created with the given workflow name.

​
Bulk trigger multiple dynamic workflows

Bulk API allows you to send multiple workflow requests in a single call. There isn’t any limit on number-of-records that can be added to bulk_workflows instance. Use .Append() on BulkWorkflows instance to add however-many-records to call in bulk. Response is an instance of suprsend.BulkResponse type 
// Workflow: 1
wf1 := &suprsend.Workflow{
  Body: map[string]interface{}{
    "name":                  "__workflow_name__",
    "template":              "__template_slug__",
    "notification_category": "__category__", // system/transactional/promotional
    "users": []map[string]interface{}{
      {
        "distinct_id": "_distinct_id_",
        "$email":      []string{"__email__"},
      },
    },
  },
  IdempotencyKey: "",
  BrandId:        "",
}

// Workflow: 2
wf2 := &suprsend.Workflow{
  Body: map[string]interface{}{
    "name":                  "__workflow_name__",
    "template":              "__template_slug__",
    "notification_category": "__category__", // system/transactional/promotional
    "users": []map[string]interface{}{
      {
        "distinct_id": "_distinct_id_",
        "$email":      []string{"__email__"},
      },
    },
  },
  IdempotencyKey: "123456",
  BrandId:        "default",
}
// ...... Add as many Workflow records as required.

// Create bulk workflows instance
bulkIns := suprClient.BulkWorkflows.NewInstance()

// add all your workflows to bulkInstance
bulkIns.Append(wf1, wf2)

// Trigger
bulkResponse, err := bulkIns.Trigger()
if err != nil {
  log.Println(err)
}
log.Println(bulkResponse)