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Variables

Use variables in workflow agentic actions or in agent prompts to specify dynamic information.

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Overview

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Using Variables in API Calls

When calling Run Workflow via the API, you can pass variables in the request body: 
{
  "workflow_id": "your-workflow-id",
  "variables": {
    "username": "john_doe",
    "product_id": "12345",
    "quantity": 2,
    "customer_email": "[email protected]"
  }
}

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Variable Types

Simplex supports various variable types:

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String Variables

{
  "name": "John Doe",
  "email": "[email protected]",
  "account_id": "ACC-12345"
}

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Numeric Variables

{
  "quantity": 5,
  "price": 99.99,
  "timeout_seconds": 30
}

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Boolean Variables

{
  "use_proxy": true,
  "skip_confirmation": false,
  "enable_logging": true
}

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Object Variables

{
  "shipping_address": {
    "street": "123 Main St",
    "city": "San Francisco",
    "state": "CA",
    "zip": "94105"
  }
}

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Array Variables

{
  "product_ids": ["123", "456", "789"],
  "selected_options": ["color:blue", "size:large"]
}