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Session Id : +5Vy0TG+UPaySUZtcaOZzj
Power Automate - Building Flows
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Using Power Automate HTTP Request to SharePoint to update column type of existing custom fields in List

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Posted on 29 Mar 2023 21:47:43 by 20

Hi All,

 

First time posting so hoping I share enough information to make sense of my requirement.

I have a SharePoint List with many columns of Number format. I was able to use HTTP Request to POST the columns on a Loop just increasing a number used within the Title and InternalName, which worked well.

 

However, the column format now needs to be changed to Choice and I am struggling to use the PATCH or PUT methods to change the type of field, add choices etc. List not yet storing any data.

 

Image shows how I first attempted this, which works to create with POST method but not update using PATCH.

Please can someone confirm if we are you able to update the existing field properties using the HTTP request or only create new fields (and if so, where I am going wrong)? If I can get the method working, the idea is to increment through iLoop variable for required interval and edit each of the columns, instead of manually changing them.

 

djwtt_0-1680125271035.png

 

I've read a few responses from @Expiscornovus and others in this space but nothing that covers updating the properties of the columns in a List rather than the items themselves.

 

Thanks for any suggestions.

 

I have the same question (0)
  • abm abm Profile Picture
    32,506 Most Valuable Professional on 30 Mar 2023 at 11:05:48
    Re: Using Power Automate HTTP Request to SharePoint to update column type of existing custom fields in List

    Hi @djwtt 

     

    Fantastic. Thanks for letting me know.

  • abm abm Profile Picture
    32,506 Most Valuable Professional on 30 Mar 2023 at 11:04:04
    Re: Using Power Automate HTTP Request to SharePoint to update column type of existing custom fields in List

    Hi @djwtt 

     

    ok understood. I am not sure how to rename the data types? Is it better to create a new one and delete the old column via API?

     

    Thanks

  • Verified answer
    djwtt Profile Picture
    20 on 30 Mar 2023 at 10:33:01
    Re: Using Power Automate HTTP Request to SharePoint to update column type of existing custom fields in List

    I have cracked it! The Uri also needed to reference the field to change, which I achieved by adding '/getbytitle('Field name here').

    Working fine now.

    djwtt_1-1680172339436.png

     

  • djwtt Profile Picture
    20 on 30 Mar 2023 at 08:18:54
    Re: Using Power Automate HTTP Request to SharePoint to update column type of existing custom fields in List

    Thanks for quick reply @abm . That's not quite what I am trying to do. I have columns called Q1, Q2, Q3 etc which were set up as Number. I am wanting to change the type from Number to Choice, and define the Choice options.

    The idea being that this step would be inside a Do Until loop so I could repeat for each column rather than manually changing them all.

  • abm abm Profile Picture
    32,506 Most Valuable Professional on 29 Mar 2023 at 23:25:41
    Re: Using Power Automate HTTP Request to SharePoint to update column type of existing custom fields in List

    Hi @djwtt 

     

    You are trying to rename a text field to Choice data type. That's what I understood. I am not sure this is possible. If you go to list settings in SharePoint and click the text field, you can't rename the field to another data type like choice field.

     

    Thanks

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