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Answered

Business Central "Last Modified Date Time" vs "Modified At"

Posted on by 40

Hi Experts

I am trying to understand the difference between the "Last Modified Date Time" vs "Modified At" fields in Business Central. 

I want to use one of these fields as a "Timestamp", and I have seen that there are some transitions where those two fields are different

Any suggestions?

  • Suggested answer
    TeddyH Profile Picture
    TeddyH 12,868 Super User 2024 Season 1 on at
    RE: Business Central "Last Modified Date Time" vs "Modified At"

    Are you talking about "System Modified At" or "Modified At" ?

    SystemModifiedAt is the new audit field that released recently. You should be able to use that for your purpose.

    I am guessing "Modified At" is a field that has been customized for your environment. This field will get update depending on the logic written for that field. That's why there could be difference timing between the fields.

  • Anks27 Profile Picture
    Anks27 1,083 on at
    RE: Business Central "Last Modified Date Time" vs "Modified At"

    As per Microsoft docs both fields are working same, both fields are showing the date and time when record is modified.

    You can see in below Screen Shot that Last Modified Date Time and Modified At showing the same value.

    pastedimage1605787668018v2.png

    Now these are the system new fields which Microsoft included into all the tables. for more information regarding these fields you can go through below URL.

    https://docs.microsoft.com/en-us/dynamics365/business-central/dev-itpro/developer/devenv-table-system-fields

  • Suggested answer
    JAngle Profile Picture
    JAngle 33,159 on at
    RE: Business Central "Last Modified Date Time" vs "Modified At"

    For them to be out of sync is strange. The first field exists on the table and has a procedure run to populate it. The second one is a system controlled field if I have pinpointed the correct field. Another process could influence that one but with it being system based tracing will be harder. Try importing the picture image again to see it you can reset it back to the same value?

  • DARRA Profile Picture
    DARRA 40 on at
    RE: Business Central "Last Modified Date Time" vs "Modified At"

    Hi Josh,

    Yes, in the company Information table the "Last Modified Date time" is 5/3/2020 4:24 AM, while the "Modified at" is 5/3/2020 4:27 AM. Even though the difference is just 3 minutes, I would like to understand what could be causing this difference, and if this difference could be greater for other scenarios.

  • Suggested answer
    JAngle Profile Picture
    JAngle 33,159 on at
    RE: Business Central "Last Modified Date Time" vs "Modified At"

    Do you have a specific example? In general I would say the former is for end user focussed modifications and the latter is for system based one’s. For instance a user can modify the “On Hold” of a customer ledger entry. The system can modify the currency value of a customer ledger entry through a defined routine.

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