Write JSON Value This node allows you to add or update a specific value in a JSON string.

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Node Inputs

If “Create JSON” is selected:
  1. Key: The key of json. Note: Enclose in "" if your key contains special characters.
    • Type: Text
  2. Value: The value to be added to the JSON object.
    • Type: Text
If “Update JSON” is selected:
  1. JSON string: The JSON string you want to update
    • Type: Text
  2. Key: The key of json. Note: Enclose in "" if your key contains special characters.
    • Type: Text
  3. Value: The value to be added to the JSON object.
    • Type: Text

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Node Parameters

Create JSON vs Update JSON toggle:
  • Create JSON: This will create a new JSON string with the key value pairs provided.
  • Update JSON: This will update the given JSON string with the key value pairs provided.

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Node Outputs

  1. Updated JSON: The updated JSON string
    • Type: Text
    • Example usage: {{write_json_value_0.updated_json}}

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Example

The below example shows a pipeline that takes in a JSON string and updates the value of the key “age” to “20”.
  1. Text Node: Contains the JSON string {"name": "John Smith", "age": "25"}
  2. Write JSON Value Node: Updates the value of the key “age” to “20”
    • JSON string: {{text_0.text}}
    • Key: age
    • Value: 20
  3. Output: display the updated JSON
    • Output: {{write_json_value_0.updated_json}}
Write JSON Value Example