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It looks like the New Guest Newsletter prompt template does not include a source for the Experience object. at the Verify Step of the Build a Flex Prompt Template | Salesforce Trailhead.
I can't see anything missing in the prompt. Any ideas?
You're North East, the Director of Fun at Coral Cloud Resort writing a newsletter to welcome {!$Input:Reservation.External_Guest__r.First_Name__c} {!$Input:Reservation.External_Guest__r.Surname__c} and inform them of upcoming activities during their stay. The purpose of the newsletter is to get guests excited about staying at the resort. When I ask you to create the newsletter, you must strictly follow my instructions below.Instructions:"""Introduce the resort in a newsletter no longer than three paragraphs.Inform the guests about their reservation using the following details:Check In: {!$Input:Reservation.Check_in_Date__c}Check Out: {!$Input:Reservation.Check_out_Date__c}Room Selection: {!$Input:Reservation.Room_Type__c}Include a bulleted list of the experiences available during guests stay, including the description and the locations. The experiences are as follows:Experience Name: {!$Input:ExperienceExperience.Name}Experience Location: {!$Input:ExperienceExperience.Location__c}Experience Details: {!$Input:ExperienceExperience.Description__c}Use clear and straightforward language using the active voice and strictly avoiding the use of filler words and phrases and redundant language. Be conversational.Do not attribute any negative traits in the summary.End with a call to action for readers to look at our website for these offers."""Now create the newsletter.Hello, I had the same issue and opened a case.
I have the answer today.
First the instructions were updated on the english version of Trailhead. You need to select Manual inputs instead of Automatic and then create 2 variables in your flow :
Reservation (variable of type : record based on the object External Reservation__c and available for input)
Experience (variable of type : record based on the object Experience__c and available for input)
I was able to complete the step
I'm experiencing the same issue! If anyone finds a solution, please let me know. The problem is that the Flex prompt has been created and activated, but it doesn't appear when creating the prompt flow. I'm trying to complete the Trailhead module below.
Hi @Debasish Nag I am a member of Trailhead Help, we assume this issue needs further review and we may need access to your playground. We have created a case on your behalf. We will reach out to you via email to investigate further. Thanks!
Ajaypreet Singh Saini (Grantbook) 
Forum Ambassador
Hey @Debasish Nag, did you added the source objects like the screenshot below?
i still have this issue as well. My "Build a Flex Prompt Template" badge will not verify, therefore i cannot start the Prompt Builder Superbadge.
The error says theres no External Reservation source in my New Guest Letter prompt flow... but there is, and i've followed the English instructions to a T. Any idea why the verification is failiing? My guess is there's something wrong with the object "External_Reservation__c" itself, that the verification is failing on.
Please assist
@Keiji Otsubo It was indeed the solution (switching the language from french to english, it had more steps) ! many thanks for the response !
Try changing the trailhead language setting to English. I think it shows instructions that are not written in French.
Hey Everyone, It was a known issue. The concerned team has fixed the issue. Could you please check again?
In case if the issue still persists, please open the below link and follow the navigation to change Trailhead language to English:
-- Scroll down to the bottom of the page
-- Right bottom, you can see the language picker.
-- Please click on it and change the language to English
Once it is changed, you can read the instructions with the latest update. Thanks!
I have the same issue, can't see the option "Flex: New Guest Newsletter" in the input type Automatic Inputs, and I followed step by step the trailhead instructions.
New Guest Newsletter Flex prompt has been created and activated, but it doesn't appear when creating the prompt flow. Please help!!
