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    API Reference ↗
    Data connectivity & integrationPipeline Builder ExpressionsConvert data to JSON

    Convert data to JSON

    Supported in: Batch, Faster, Streaming

    Transforms input into json string.

    Expression categories: File, String

    Declared arguments

    • Input: Input to be transformed.
      Expression<Array<AnyType> | Map<AnyType, AnyType> | Struct>

    Output type: String

    Examples

    Example 1: Base case

    Argument values:

    • Input: array
    arrayOutput
    [ hello, world ]["hello","world"]

    Example 2: Base case

    Argument values:

    • Input: struct
    structOutput
    {
     airline: {
     id: NA,
    },
    }    		{"airline":{"id":"NA"}}

    Example 3: Base case

    Argument values:

    • Input: struct
    structOutput
    {
     arr: [ {
     bin: MQ==,
    } ],
     inner: {
     bin: TG9uZG9u,
    },
    }    		{"inner":{"bin":"TG9uZG9u"},"arr":[{"bin":"MQ=="}]}

    Example 4: Base case

    Argument values:

    • Input: struct
    structOutput
    {
     bin: TG9uZG9u,
    }    		{"bin":"TG9uZG9u"}
    {
     bin: MQ==,
    }    		{"bin":"MQ=="}
    {
     bin: MTI=,
    }    		{"bin":"MTI="}

    Example 5: Base case

    Argument values:

    • Input: struct_0
    struct_0Output
    {
     date: 2021-01-01,
     dec32: 1.12,
     dec33: 0.120,
     **dec...    		{"dec32":1.12,"dec33":0.120,"dec64":10.0000,"timestamp":"2021-01-01T01:01:01.000Z","date":"2021-01-01","struct_1":{"airline":{"id":"NA"}}}

    Example 6: Base case

    Argument values:

    • Input: array
    arrayOutput
    [ 1.00, 2.10, 36.00 ][1.00,2.10,36.00]

    Example 7: Base case

    Argument values:

    • Input: map
    mapOutput
    {
     a -> 1,
     b -> 2,
    }    		{"a":"1","b":"2"}

    Example 8: Base case

    Argument values:

    • Input: array
    arrayOutput
    [ {
     airline: {
     id: NA,
    },
    }, null ]    		[{"airline":{"id":"NA"}},null]

    Example 9: Base case

    Argument values:

    • Input: map
    mapOutput
    {
     a -> {
     airline: {
     id: NA,
    },
    },
    }    		{"a":{"airline":{"id":"NA"}}}

    Example 10: Base case

    Argument values:

    • Input: struct_0
    struct_0Output
    {
     array_1: [ null, null, null ],
     struct_1: {
     double: null,
     string: null,
    },
    }    		{"struct_1":{"string","double"},"array_1":[null,null,null]}
    {
     array_1: null,
     struct_1: null,
    }    		{"struct_1","array_1"}