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Dynamics 365 Community / Forums / Small and medium business | Business Central, N... / Replace a value in Jso...
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Replace a value in Json file

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Posted on by dzaniboni 16
Hi all,
I'm trying to replace a value in a Json file, but I don't find any example or documentation for AL Language. I've the following structure file:
 
{ /codeunitId/: 18121808,/functionName/ : /PrintDocMaya/,/parmInput/: [{/name/: /pDocumentType/,/value/: /1/},{/name/: /pDocumentNo/,/value/: /102046/},{/name/: /pFilePath/,/value/: /C:////Temp/////}],/parmOutput/: [{/name/: /Return/,/value/:/0/}]}
 
I would like to replace value /0/ from parmOutput for the element with name /Return/. How could this be done?
 
Thank you for your kindly replies.
 
DZ
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  • Suggested answer
    Mohamed Amine Mahmoudi Profile Picture
    Mohamed Amine Mahmoudi 26,348 Super User 2025 Season 2 on at
    Replace a value in Json file
    Hi dzaniboni
     
    I hope this can help you and give you some hints.
     
     
     
    Best regards,
    Mohamed Amine MAHMOUDI
  • dzaniboni Profile Picture
    dzaniboni 16 on at
    Replace a value in Json file
    Hi Mohamed,
    thank you for your reply but I'm able to create (from 0) or read a Json file. What I want is to know how to replace or modify an existing Json file (single values or properties).
  • Suggested answer
    Gerardo Rentería García Profile Picture
    Gerardo Rentería Ga... 23,590 Most Valuable Professional on at
    Replace a value in Json file
    Hi
    In systemapplication is this code,  i hope this can help you. 
    BR
    Gerardo
  • dzaniboni Profile Picture
    dzaniboni 16 on at
    Replace a value in Json file
    I develop this solution:
    • create new Json Object for the section of the original Json object that I want to replace.
    • Create new Json Array to store in a Json array the new results for the outputParm section.
    • Add in the new Json Object the new keys and values
    • Add the new Json Object in the Json Array
    • Replace the Json array for the specific key (that's an array)
     
    Below the code:
     
            OutputJObject.Add('name', 'Return');
        OutputJObject.Add('value', O_DocFileName);
        OutputArray.Add(OutputJObject);
        JObject.Replace('parmOutput', OutputArray);
     
     
    Hope this you can help.
     
    DZ
     
     

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