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Helper I
Helper I

How to parse JSON in PowerApps? OR How to get/set JSON data in SharePoint list column?

Hello Everyone,


I have stored data in JSON data under the SharePoint list "multiline and text" column. J needs to retrieve that JSON data on the PowerApp form and update that JSON data from the PowerApp form.


Can anyone suggest me for the same?

Community Champion
Community Champion

Check this 2 links: 


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Best regards,
Gonçalo Nogueira

Super User
Super User


Yes, but there is not a function in PowerApps to convert to data.

Take a look at this post - it was based more on API results, but the point was, it was JSON.  In that in the second message, I have a formula there that will convert JSON to data.  It is far superior than trying to do substitute functions and other string handling.  The only changes you need to make are on the column names.


From that post, the following formula is found:

    With({_apiResult: nametest.RunAPI({rxid: TestInput1_1.Text, format: TextInput1_2.Text})},
            ForAll(MatchAll(_apiResult, """(?<nvalue>[^""]+)"": *""?(?<jvalue>[^(""|\n)]+)""?").SubMatches,
                {Name:First(SubMatches).Value, Value:Last(SubMatches).Value}

        {uuid: LookUp(convertedJSON, Name="uuid", Value), 
         nsinchikey: LookUp(convertedJSON, Name="nsinchikey", Value),
         inchikey : LookUp(convertedJSON, Name="inchikey", Value),
         smiles: LookUp(convertedJSON, Name="smiles", Value),
         role: LookUp(convertedJSON, Name="role", Value)


I use that similar formula often to restore JSON data that is in a Multiline SharePoint columns.  I put a lot of user preferences in JSON in multiline columns.  To restore them from the JSON, I use the above formula with a slight variation.  Here is an example:

    LookUp(Apps, Title=glbAppInfo.AppName && UserEmail=glbAppInfo.EmailLower, Prefs)},

           ForAll(MatchAll(prefRecord, """(?<nvalue>[^""]+)"": *""?(?<jvalue>[^(""|,|\n)]+)""?").SubMatches As ms,
               {Name:First(ms.SubMatches).Value, Value:Last(ms.SubMatches).Value}

             FontSize : Value(LookUp(convertedJSON, Name="FontSize", Value)),
             ThemeName: LookUp(convertedJSON, Name="ThemeName", Value),
             ShowImages: (LookUp(convertedJSON, Name="ShowImages", Value) = "true"),
             Sort: {Column: LookUp(convertedJSON, Name="SortColumn", Value),
                    Order: Switch(LookUp(convertedJSON, Name="SortOrder", Value), 
                           "ascending", SortOrder.Ascending, SortOrder.Descending)
             ShowWallpaper: (LookUp(convertedJSON, Name="ShowWallpaper", Value) = "true"),
             Language: LookUp(glbAppInfo.Languages, Language=Coalesce(LookUp(convertedJSON, Name="Language", Value), "English"))                     

 The above converts a JSON string that has values for a 1 numeric, 2 text, 2 boolean and 1 complex elements of the JSON string.


There is actually more to that formula that I removed for clarity (the formula actually evaluates theme values as well, but I didn't want to overcomplicate for you purposes of example).


I hope this is helpful for you.

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