ComfyUI Node: to LIST

Class Name

Basic data handling: CastToList

Category
Basic/cast
Author
StableLlama (Account age: 861days)
Extension
Basic data handling
Latest Updated
2026-05-07
Github Stars
0.04K

How to Install Basic data handling

Install this extension via the ComfyUI Manager by searching for Basic data handling
  • 1. Click the Manager button in the main menu
  • 2. Select Custom Nodes Manager button
  • 3. Enter Basic data handling in the search bar
After installation, click the Restart button to restart ComfyUI. Then, manually refresh your browser to clear the cache and access the updated list of nodes.

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to LIST Description

The `CastToList` node converts any input into a list, standardizing data handling for workflows.

to LIST:

The CastToList node is designed to convert any given input into a list format, making it a versatile tool for handling various data types within your workflow. Its primary function is to ensure that the input data is encapsulated within a list, regardless of its original type. This is particularly useful when you need to standardize data handling processes or prepare data for operations that require list inputs. Whether you're dealing with single values, strings, or even existing lists, the CastToList node simplifies the process by wrapping non-list inputs into a list, thereby ensuring consistency and ease of manipulation. This capability is essential for AI artists who need to manage diverse data types seamlessly, allowing for more efficient and error-free data processing.

to LIST Input Parameters:

input

The input parameter accepts any data type, as indicated by the IO.ANY specification. This flexibility allows you to pass in numbers, strings, lists, or any other data type without restriction. The node's execution involves checking the type of the input; if it is not already a list, the input is wrapped into a new list. This ensures that the output is always a list, which can be particularly useful when you need to handle data uniformly in subsequent operations. There are no minimum, maximum, or default values for this parameter, as it is designed to accept any input.

to LIST Output Parameters:

LIST

The output parameter is a LIST, which is a tuple containing a single list. This list encapsulates the input data, ensuring that the output is always in a list format. If the input was already a list, it is returned as is; otherwise, the input is wrapped in a new list. This output format is crucial for maintaining consistency in data handling, especially when integrating with other nodes or processes that expect list inputs. By converting all inputs to a list, the node facilitates smoother data processing and manipulation.

to LIST Usage Tips:

  • Use the CastToList node when you need to ensure that your data is in a list format before passing it to other nodes or processes that require list inputs. This can help prevent errors and streamline your workflow.
  • When dealing with single values or non-list data types, apply the CastToList node to standardize the data format, making it easier to perform batch operations or apply list-specific functions.

to LIST Common Errors and Solutions:

TypeError: 'NoneType' object is not iterable

  • Explanation: This error occurs when the input is None, and an operation that requires an iterable is attempted on the output list.
  • Solution: Ensure that the input is not None or handle None inputs appropriately by checking for None before passing data to the node.

Unexpected behavior with nested lists

  • Explanation: If the input is already a list, the node returns it as is, which might lead to unexpected behavior if you expect a single-level list.
  • Solution: If you need to flatten nested lists, consider using additional nodes or functions to flatten the list after using CastToList.

to LIST Related Nodes

Go back to the extension to check out more related nodes.
Basic data handling
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RunComfy is the premier ComfyUI platform, offering ComfyUI online environment and services, along with ComfyUI workflows featuring stunning visuals. RunComfy also provides AI Models, enabling artists to harness the latest AI tools to create incredible art.

to LIST