Write JSON Value Node

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}}