> ## Documentation Index
> Fetch the complete documentation index at: https://docs.comfy.org/llms.txt
> Use this file to discover all available pages before exploring further.

# StringConcatenate - ComfyUI Built-in Node Documentation

> Complete documentation for the StringConcatenate node in ComfyUI. Learn its inputs, outputs, parameters and usage.

> This documentation was AI-generated. If you find any errors or have suggestions for improvement, please feel free to contribute! [Edit on GitHub](https://github.com/Comfy-Org/embedded-docs/blob/main/comfyui_embedded_docs/docs/StringConcatenate/en.md)

The StringConcatenate node combines two text strings into one by joining them with a specified delimiter. It takes two input strings and a delimiter character or string, then outputs a single string where the two inputs are connected with the delimiter placed between them.

## Inputs

| Parameter   | Data Type | Required | Range | Description                                                                             |
| ----------- | --------- | -------- | ----- | --------------------------------------------------------------------------------------- |
| `string_a`  | STRING    | Yes      | -     | The first text string to concatenate                                                    |
| `string_b`  | STRING    | Yes      | -     | The second text string to concatenate                                                   |
| `delimiter` | STRING    | No       | -     | The character or string to insert between the two input strings (default: empty string) |

## Outputs

| Output Name | Data Type | Description                                                                     |
| ----------- | --------- | ------------------------------------------------------------------------------- |
| `output`    | STRING    | The combined string with the delimiter inserted between string\_a and string\_b |