Create a flow that runs on a schedule

1. Go to the Flows tab from the top menu.
2. Create a new flow.
3. Search and select "Schedule."
4. You will see the configuration screen of Schedule. Here you can customize various aspects of Schedule to enable your flow to run on a specific time and day.
5. Enter the Day of the Month if you want to schedule your flow to run on a particular day of the month.
6. Enter "Friday" in the Days of the Week field, so that your flow gets scheduled to run every Friday.
7. Enter "10" in the Run Hour field. Your flow will get scheduled to run at 10 am. 
8. Enter the 'Minutes' of the hour.
9. Enter the 'Month' of the Year.
   • Enter * for any month, 1-12 for once a year, or comma-separated numbers to run the flow on these dates.
10. Enter the Day of the Month.
    • Enter * for any day, 1-31 for once a month, or comma-separated numbers to run the flow on these dates.
    •  
11. Enter the Day of Week(cron).
    • Enter * for any day, 0-6 for once a week, or comma-separated numbers to run the flow on these days.
12. Enter the Run Hour.
    • Enter * for any hour, 0-23 for once a day, or comma-separated numbers to run the flow on these hours.
13. Enter the Run Minute.
    • Enter * for any minute, 0-59 for once an hour, or comma-separated numbers to run the flow on these minutes.
14. Enter the Offset in minutes.
    • This field does not affect previous cron fields.
15. Enter your Timezone, e.g., Europe/London.
    • The Timezone is UTC by default.
16. You can also enter the JSON manually or through dynamic tags to configure the above fields. Learn how to add dynamic tags here.
17. Click Done.
18. Search and select "Slack" in the child step.
19. Add the action "Post Message."
20. Click "Add My Account."
21. You will see a window according your app's authorization type.
22. Since Slack uses OAuth, you will see the following window where you will connect your account.
    • You can sign up for free if you don't have an account.
23. Click Allow.
24. Select the Channel in which you want to post your message.
25. Enter the Message Text.
26. Check the box if you want to post the above message as a user.
27. Enter the Bot Name if you didn't check the box above.
28. Enter the Bot Icon Emoji if you chose to post the message as a bot.
29. Enter the Bot Icon URL if you chose to post the message as a bot.
30. Check the box if you want to find and link channel names and usernames. For example, @general will be tagged if it is part of the text message.
31. Click Continue.
32. Click Test.
33. You will receive a success message when a "Post Message" action is scheduled in Slack.
34. Expand 'Test Result' if you want to view the request and response.
    • The message scheduled to be posted on Slack can be seen in the response body.
35. You can add more steps that you want to get executed at the scheduled date/time.
36. Save an publish your flow.
37. When a user sets up an integration based on the above flow, a message will be posted to their selected Slack channel every Friday at 10am.

You can schedule any action to be carried out in any connected app at a specific time, day, date etc.