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Calculate a date based off a list

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Posted on by pbdurham9121

Hi, I would like to create a "Deadline Date" in a SharePoint list based off another list. I tried using a calculated column but that column type doesn't support columns of the type "lookup" when trying to use Insert Columns into the calculation.

Reference List: (window deadline is set as a number)

The Goal:

-In the live list, if a User chooses CVS for example, the Deadline date column will be calculated as Invoice Date + Window Deadline

i.e. April 15th 2024 + 90 days = July 14th 2024

Any help is greatly appreciated, thank you

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Building flows

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creativeopinion 10,508 Moderator on at

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@pbdurham9121 You'll need to use an expression and the addDays() function. The addDays() function takes three parameters:

addDays([timestamp],[days to add/subtract],[datetime format pattern])

Insert the dynamic content from your SP lists accordingly. If you want to subtract days from a date, enter a negative number. To add days, enter a positive number. However, for your case, you'll use the dynamic content from the Window Deadline column.

If you are looking for a way to send multiple SharePoint List items that have been assigned to a user in an email—check out this YT Tutorial: How to Send a SINGLE EMAIL ✉️ with multiple SharePoint list items | Build THIS Power Automate Flow

IN THIS VIDEO:

✅ How to send multiple list items in a single email with a Power Automate Flow

✅ How to create a dynamic date range

✅ How to use the Convert Time Zone action

✅ How to use a Filter Query in the Get Items action

✅ How to count number of items in an array

✅ How to use the Select action to extract a users display name and email address

✅ How to create a unique list of email addresses

✅ How to use the Create HTML Table action

✅ How to customize the HTML Table with CSS styles

✅ How to use the Send an email (V2) action

✅ How to use the Append to String Variable action

✅ How to create a custom list of items for an email

✅ How to use the Send an email (V2) action

✅ How to display singular or plural text based on the number of items returned

--

You might find my tutorial helpful: Send Emails Based on a 📆 Date Column in SharePoint with Microsoft Power Automate

In this Microsoft Power Automate tutorial, I’ll show you how to build a flow that will send a Happy Birthday email to a user based on a date column in a SharePoint list. The SharePoint list also contains a column with a Manager’s name which we’ll use to send a three-day and day of reminder to the user’s manager.

This automation will use the Filter Array action to filter out all SharePoint list items where the user’s birthday is today or in three days. This flow can apply to a variety of scenarios such as:

📅 Student Birthdays

📅 Project Due Dates

📅 Contract/Membership Renewals

📅 License Expirations

📅 Client Anniversaries

IN THIS VIDEO:

✅ How to Send an Email based on a Date Column in SharePoint

✅ Using the Recurrence Trigger in Power Automate

✅How to Use the Filter Array Action with multiple conditions

✅ How to Get Dynamic Content from a Filter Array Action

✅How to Get a Date Three Days from Today

✅ How to Create a Dynamic Date Based on utcNow()

✅ How to Return a Count of Items

✅ How to initialize and set a variable

✅ How to use the Send an Email (V2) action

✅ How to send test emails

Hope this helps!

If I helped you solve your problem—please mark my post as a solution ✅.
Consider giving me a 👍 if you liked my response!

👉 Level up your Power Automate skills by checking out my tutorials on YouTube
👉 Tips and Tricks on TikTok and Instagram

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pbdurham9121 14 on at

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Hi @creativeopinion
Thank you very much for your response, I think the expression you mentioned is a good start but two points that I should have clarified:
1. Want to update a SharePoint List Item
2. I can/will use my dynamic content too add/subtract days, but how does my flow know how many days to add based off of the 'Payer' the user chose?
addDays([timestamp],[days to add/subtract],[datetime format pattern])

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creativeopinion 10,508 Moderator on at

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@pbdurham9121 You can update a SharePoint item with the expression. You'll need to have two Get Items actions in your flow—ensure they are in the root of your flow. Best practice is to run those actions once to get the items. You'll need to use a Filter Array action to filter out the SP list that has your lookup values to get the value from the Window Deadline column.

These two tutorials should be helpful:

Are you using the Microsoft Power Automate Filter Array Action wrong?

In this video tutorial I’ll show you 3 practical ways to use the Filter Array action and how to use it properly.

1️⃣ Cross-Referencing Data

2️⃣ Filtering by Key

3️⃣ Substring Matching

Did you know that the Condition action has a limit of 10 conditions? Although it might look like the Filter Array action can only accept one condition—this is not true. By using the advanced mode you can enter multiple conditions into a Filter Array action with an expression.

IN THIS VIDEO:

✅ 3 Ways to Use the Filter Array Action

✅ How to use the Scope Action to Group Actions

✅ How to Check the Number of Items returned from a Filter Array Action

✅ How to Cross-Reference Data in Excel with a SharePoint List

✅ How the Filter Array Action Works

✅ How to Access the Dynamic Content from a Filter Array Action

✅ How to Filter Items by a Key

✅ How to Filter Items by Matching a Substring

✅ How to Use Multiple Conditions in a Filter Array Action

---

3 Mistakes YOU 🫵 are Making with the Apply to Each Action in your Microsoft Power Automate Flow

In this video tutorial I’ll go over how to avoid these common mistakes when using the Apply to Each action in a Power Automate flow:

1️⃣ Looping through a Single Item

2️⃣ Creating Unnecessary Nested Loops

3️⃣ Looping through an Unfiltered Array

At the end of the video I share a few helpful insights when it comes to using the Apply to Each action in your flow.

IN THIS VIDEO:

✅ How to avoid the Apply to Each action with a single item array

✅ How to use the item() function to access dynamic content in an array

✅ How to prevent unnecessary nested Apply to Each action loops

✅ How to use the Select action

✅ How to convert an array to a string with the Select action

✅How to use the Filter Query field

✅ How to count the number of items in an array

✅ How to use a condition control

✅ How to use the concurrency control

✅ How to set a top count

✅ How to use Compose actions for troubleshooting

Hope this helps!

If I helped you solve your problem—please mark my post as a solution ✅.
Consider giving me a 👍 if you liked my response!

👉 Level up your Power Automate skills by checking out my tutorials on YouTube
👉 Tips and Tricks on TikTok and Instagram

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pbdurham9121 14 on at

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Extremely helpful, Thank you very much !

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