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Error: violates the constraint of type 'Field', when Extend endpoint

  • Jul 11, 2023 12:45 PM UTC
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Freshman I
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I extent and point from default endpoint (version 22.200.001) of acumatica and I add new fields in the stockitem, then call the stockitem by postman to view warehousedetails(Qty on hand), getting exception message ‘GenericArguments[0], 'PX.Data.FieldNameParam', on 'PX.Data.Optional`1[Field]' violates the constraint of type 'Field'.’, but I m trying same with the default endpoint it working expected, please let me know what I did wrong by mistake. or how can I resolve it

 

Extended endpoint for Stockitem 

 

Best answer by Zoltan Febert

@ashrivastava42 You can add your old and new endpoint to a customization project. If you go to File / Edit Project XML in the customization project editor, you can see the “source code” of the endpoints, and you can find out what the difference is between them.

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    7 replies

    jinin
    Pro I
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    • jinin
    • Pro I
    • Jul 11, 2023 1:19 PM UTC

    Hi @ashrivastava42 ,

    Can you please share the request URL?

    I just added the Tracking method and tried it, its works for me.
     

     

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    Jini N
    Freshman I
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    Thanks for quick reply

    URL:

    {{URL}}/entity/ewsfendpoint/22.200.001/StockItem?$filter=InventoryID eq 'AACOMPUT01'&$select=InventoryID,Description,WarehouseDetails/WarehouseID,WarehouseDetails/QtyOnHand,ItemClass,BaseUOM&$expand=WarehouseDetails

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    jinin
    Pro I
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    • jinin
    • Pro I
    • Jul 11, 2023 2:31 PM UTC

    Hi @ashrivastava42 ,

    The above URL is looking good.

    I hope that you extend the default like below.

     

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    Jini N
      Freshman I
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      Hello @jinin,

      Yes, it’s right and I believe this is correct way.

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      jinin
      Pro I
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      • jinin
      • Pro I
      • Jul 12, 2023 6:08 AM UTC

      Hi @ashrivastava42 ,

      Yes, that is the correct way to extend the endpoint. Could you please create a new extend endpoint and try the same again?

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      Jini N
      Freshman I
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      Hello @jinin,

      Yes, I did same and it is working, but in my current extended endpoint I have added so many entity to expose for integration, hear I am expecting to resolve the issue, otherwise I need to rework again in new endpoint to create same entity.

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      Zoltan Febert
      Jr Varsity I
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      • Zoltan Febert
      • Jr Varsity I
      • Answer
      • Jul 12, 2023 2:20 PM UTC

      @ashrivastava42 You can add your old and new endpoint to a customization project. If you go to File / Edit Project XML in the customization project editor, you can see the “source code” of the endpoints, and you can find out what the difference is between them.

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      Zoltan Febert (Acumatica Developer, MVP)
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