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The transform node reshapes data by creating a new object with computed fields. Use it to restructure API responses, compute derived values, or prepare data for the response.

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Configuration

{
  "id": "build_response",
  "type": "transform",
  "config": {
    "output": {
      "user_id": "{{fetch_user.output.body.id}}",
      "full_name": "{{fetch_user.output.body.name}}",
      "post_count": "{{fetch_posts.output.body | count}}",
      "recent_posts": "{{fetch_posts.output.body | slice:5}}"
    }
  }
}

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Config Fields

FieldTypeRequiredDescription
outputobjectYesObject defining the transformed structure

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Output

The node outputs the transformed object: 
{
  "user_id": 123,
  "full_name": "John Doe",
  "post_count": 42,
  "recent_posts": [...]
}
Access via {{transform_node_id.output.field}}.

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Features

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Template Resolution

All string values are resolved as templates: 
{
  "output": {
    "name": "{{user.name}}",
    "email": "{{user.email}}"
  }
}

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Nested Objects

Create nested structures: 
{
  "output": {
    "user": {
      "id": "{{data.id}}",
      "profile": {
        "name": "{{data.name}}",
        "avatar": "{{data.avatar_url}}"
      }
    }
  }
}

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Arrays

Create arrays with transformed data: 
{
  "output": {
    "items": "{{raw_items | map:name}}",
    "ids": "{{raw_items | map:id}}"
  }
}

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Arithmetic Expressions

Perform calculations: 
{
  "output": {
    "total": "{{subtotal}} + {{tax}}",
    "discounted": "{{price}} * 0.9",
    "per_item": "{{total}} / {{quantity}}"
  }
}
Supported operators: +, -, *, /

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Pipe Transformations

Apply pipes to transform values: 
{
  "output": {
    "active_users": "{{users | filter:status=active}}",
    "user_names": "{{users | map:name | join:, }}",
    "total_value": "{{orders | sum:amount}}",
    "formatted_date": "{{created_at | formatDate:YYYY-MM-DD}}"
  }
}

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Examples

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Reshape API Response

{
  "id": "transform_user",
  "type": "transform",
  "config": {
    "output": {
      "id": "{{api_response.output.body.data.user.id}}",
      "name": "{{api_response.output.body.data.user.full_name}}",
      "email": "{{api_response.output.body.data.user.email_address}}",
      "joined": "{{api_response.output.body.data.user.created_at | formatDate:YYYY-MM-DD}}"
    }
  }
}

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Compute Statistics

{
  "id": "calculate_stats",
  "type": "transform",
  "config": {
    "output": {
      "total_orders": "{{orders | count}}",
      "total_revenue": "{{orders | sum:amount}}",
      "average_order": "{{orders | avg:amount}}",
      "highest_order": "{{orders | max:amount}}",
      "completed_count": "{{orders | filter:status=completed | count}}"
    }
  }
}

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Build Dashboard Data

{
  "id": "build_dashboard",
  "type": "transform",
  "config": {
    "output": {
      "user": "{{fetch_user.output.body | pick:id:name:email}}",
      "stats": {
        "posts": "{{fetch_posts.output.body | count}}",
        "comments": "{{fetch_comments.output.body | count}}",
        "likes": "{{fetch_likes.output.body | count}}"
      },
      "recent_activity": {
        "latest_post": "{{fetch_posts.output.body | first}}",
        "latest_comment": "{{fetch_comments.output.body | first}}"
      },
      "notifications": "{{fetch_notifications.output.body | filter:read=false | slice:5}}"
    }
  }
}

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Prepare Request Body

{
  "id": "prepare_payload",
  "type": "transform",
  "config": {
    "output": {
      "customer_id": "{{user.id}}",
      "items": "{{cart.items | map:product_id}}",
      "total_amount": "{{cart.items | sum:price}}",
      "currency": "USD",
      "metadata": {
        "source": "web",
        "timestamp": "{{now}}"
      }
    }
  }
}

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Combine Multiple Sources

{
  "id": "merge_data",
  "type": "transform",
  "config": {
    "output": {
      "profile": "{{fetch_profile.output.body}}",
      "settings": "{{fetch_settings.output.body}}",
      "permissions": "{{fetch_permissions.output.body.roles}}",
      "combined_name": "{{profile.first_name}} {{profile.last_name}}"
    }
  }
}

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Array Transformation

{
  "id": "transform_items",
  "type": "transform",
  "config": {
    "output": {
      "items": "{{raw_items}}",
      "active_items": "{{raw_items | filter:active=true}}",
      "item_names": "{{raw_items | map:name}}",
      "sorted_by_date": "{{raw_items | sort:created_at:desc}}",
      "first_five": "{{raw_items | slice:5}}",
      "unique_categories": "{{raw_items | map:category | unique}}"
    }
  }
}

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Conditional Values

Use the default pipe for fallback values: 
{
  "output": {
    "name": "{{user.name | default:Anonymous}}",
    "avatar": "{{user.avatar | default:https://example.com/default.png}}",
    "tier": "{{user.subscription.tier | default:free}}"
  }
}

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vs Set Node

TransformSet
Creates multiple output fieldsStores a single value
Complex data reshapingSimple key-value storage
output object configkey + value config
Ideal for building responsesIdeal for storing intermediate values

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Accessing Transform Output

Transform node with id “build_user”: 
{
  "output": {
    "name": "John",
    "email": "[email protected]"
  }
}
Access in later nodes: 
{{build_user.output.name}}   -> "John"
{{build_user.output.email}}  -> "[email protected]"
{{build_user.output}}        -> entire object