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How to post attachments of a Microsoft Form’s response to a Slack Channel
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Microsoft Forms support files being uploaded to their questions or responses. There could be various instances where we accept stack of files for more than one question. It is often a challenge finding a solution to get these attachments stored / posted in an organized way.
We could utilize Power Automate to find a solution for this challenge. It is possible to organize the attachments in the below ways
✓ Store the attachments to OneDrive, SharePoint Library
✓ Post to a Teams’ Channel
✓ Post to a Slack’s Channel
✓ Mail them to an individual or Group
Use Case : We are considering a Form with 2 Upload questions whose attachments from response are posted to a Slack Channel.
You need to perform the steps below to get this automated.
- Create a Slack Channel where you wish to post the attachments.
- Create a Power Automate Flow to be triggered when a Form’s response is submitted
- Add a step to get response details
- Create a Array variable to store response of File Upload questions
- Add an iterative step to
- Parse the response
- Post the attachments to a Slack Channel
- Test the flow by submitting a response
Let’s see in detail how to achieve it.
Sample Form used in this use case – User Form with 2 Upload questions
Step 1 : Create a Power Automate flow
Create an automated Power Automate flow which would be triggered ‘When a new response is submitted’.
Step 2 : Choose the Form
Choose the form whose response attachments to be posted to the Slack Channel.
Step 3 : Add a step ‘Get response details’
Add an action ‘Get response details’, to pull the response ID of the response submitted. Add the form and response ID as shown below.
Step 4 : Add a control step ‘Initialize variable’
Add a control step ‘Initialize variable’ to store the responses of the questions with attachments.
Give a Name to the variable, set Type as ‘Array’. Set Value as comma separated values enclosed in square brackets.
Note : We can add any number of questions as comma separated whose attachments has to be posted to the Slack Channel.
Step 5 : Add an iterative step with Parse JSON action
Add this iterative step to parse each question one by one.
Schema used
{ "type": "array", "items": { "type": "object", "properties": { "name": { "type": "string" }, "link": { "type": "string" }, "id": { "type": "string" }, "type": {}, "size": { "type": "integer" }, "referenceId": { "type": "string" }, "driveId": { "type": "string" }, "status": { "type": "integer" }, "uploadSessionUrl": {} }, "required": [ "name", "link", "id", "type", "size", "referenceId", "driveId", "status", "uploadSessionUrl" ] } }
Step 6 : Add an action Apply to each with Slack’s Post Message
Step 7: Submit a response and verify the flow
Form Response
Attachments posted to Slack Channel
Related link : https://powerusers.microsoft.com/Building-Flows/Microsoft-forms-attachment-to-slack-channel