Bot Framework Composer handoff request error

Question

I can't seem to successfully send a handoff request in Bot Framework Composer. On clicking "Start bot" I get the error Error: Dialog.onComputeId(): not implemented. Full error log:

Error occurred building the bot

Error: Dialog.onComputeId(): not implemented. 
at SendHandoffActivity.onComputeId (C:\Users\User\Handoff\Handoff\node_modules\botbuilder-dialogs\lib\dialog.js:336:15) 
at SendHandoffActivity.get id [as id] (C:\Users\User\Handoff\Handoff\node_modules\botbuilder-dialogs\lib\dialog.js:133:29) 
at C:\Users\User\Handoff\Handoff\node_modules\botbuilder-dialogs-adaptive\lib\actions\actionScope.js:276:57 
at Array.map (<anonymous>) 
at ActionScope.onComputeId (C:\Users\User\Handoff\Handoff\node_modules\botbuilder-dialogs-adaptive\lib\actions\actionScope.js:276:34) 
at ActionScope.get id [as id] (C:\Users\User\Handoff\Handoff\node_modules\botbuilder-dialogs\lib\dialog.js:133:29) 
at DialogSet.add (C:\Users\User\Handoff\Handoff\node_modules\botbuilder-dialogs\lib\dialogSet.js:126:71) 
at C:\Users\User\Handoff\Handoff\node_modules\botbuilder-dialogs-adaptive\lib\adaptiveDialog.js:140:75 
at Array.forEach (<anonymous>) 
at AdaptiveDialog.ensureDependenciesInstalled (C:\Users\User\Handoff\Handoff\node_modules\botbuilder-dialogs-adaptive\lib\adaptiveDialog.js:140:43)

The bot is an empty bot with a "Send a handoff request" in "Unknown intent". Full bot code:

{
  "$kind": "Microsoft.AdaptiveDialog",
  "$designer": {
    "name": "Handoff",
    "description": "",
    "id": "A79tBe"
  },
  "autoEndDialog": true,
  "defaultResultProperty": "dialog.result",
  "triggers": [
    {
      "$kind": "Microsoft.OnConversationUpdateActivity",
      "$designer": {
        "id": "376720"
      },
      "actions": [
        {
          "$kind": "Microsoft.Foreach",
          "$designer": {
            "id": "518944",
            "name": "Loop: for each item"
          },
          "itemsProperty": "turn.Activity.membersAdded",
          "actions": [
            {
              "$kind": "Microsoft.IfCondition",
              "$designer": {
                "id": "641773",
                "name": "Branch: if/else"
              },
              "condition": "=string(dialog.foreach.value.id) != string(turn.Activity.Recipient.id)",
              "actions": [
                {
                  "$kind": "Microsoft.SendActivity",
                  "$designer": {
                    "id": "859266",
                    "name": "Send a response"
                  },
                  "activity": "${SendActivity_Greeting()}"
                }
              ]
            }
          ]
        }
      ]
    },
    {
      "$kind": "Microsoft.OnUnknownIntent",
      "$designer": {
        "id": "mb2n1u"
      },
      "actions": [
        {
          "$kind": "Microsoft.SendHandoffActivity",
          "$designer": {
            "id": "74xAHm"
          },
          "context": {
            "context": "c"
          },
          "transcript": {
            "transcript": "t"
          }
        }
      ]
    }
  ],
  "generator": "Handoff.lg",
  "id": "Handoff",
  "recognizer": "Handoff.lu.qna"
}

I haven't found anything on Google/Stack Overflow. Any help would be appreciated.

Answer 1

According to Hand off to human or virtual agent, You need to install an appropriate handoff package for the platform that you wish to have conversations handed off to when you use a Send a handoff request activity.

The following are available handoff packages

• ServiceNow
• LivePerson