> ## 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.

# BuildJsonPromptIdeogram - ComfyUI Built-in Node Documentation

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

This node constructs a structured JSON prompt specifically formatted for the Ideogram 4 image generation model. It organizes your text instructions, style preferences, and color palette into the required JSON structure that the model expects.

## Inputs

| Parameter                | Description                                                                                                                                           | Data Type | Required | Range                                      |
| ------------------------ | ----------------------------------------------------------------------------------------------------------------------------------------------------- | --------- | -------- | ------------------------------------------ |
| `element`                | Prompt elements from the node Create Bounding Boxes.                                                                                                  | ARRAY     | Yes      | -                                          |
| `high_level_description` | Optional description of the image in one or two sentences. Strongly recommended. (default: empty)                                                     | STRING    | No       | -                                          |
| `background`             | Mandatory description of the image background or environment. (default: empty)                                                                        | STRING    | Yes      | -                                          |
| `style`                  | The visual style category for the generated image. (default: "none")                                                                                  | COMBO     | Yes      | `"none"`<br />`"photo"`<br />`"art_style"` |
| `photo`                  | Camera or lens details for photographic outputs (e.g. 35mm, f/1.4, bokeh). Only available when style is set to "photo". (default: empty)              | STRING    | No       | -                                          |
| `art_style`              | Art style description (e.g. flat vector illustration, bold outlines). Only available when style is set to "art\_style". (default: empty)              | STRING    | No       | -                                          |
| `aesthetics`             | Mandatory aesthetic keywords (e.g. moody, cinematic, desaturated). (default: empty)                                                                   | STRING    | Yes      | -                                          |
| `lighting`               | Mandatory lighting description (e.g. golden hour, rim light, dramatic shadows). (default: empty)                                                      | STRING    | Yes      | -                                          |
| `medium`                 | Mandatory medium type (e.g. photograph, illustration, 3d\_render, painting, graphic\_design). When style = photo, set to photograph. (default: empty) | STRING    | Yes      | -                                          |
| `color_palette`          | Hex color codes that steer the image's dominant colors. Up to 16 entries.                                                                             | COLORS    | No       | -                                          |

**Note:** When the `style` parameter is set to "photo", the `photo` input becomes available and you should set the `medium` parameter to "photograph". When `style` is set to "art\_style", the `art_style` input becomes available.

## Outputs

| Output Name | Description                                                                                                                                                           | Data Type |
| ----------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------- |
| `prompt`    | A structured JSON dictionary containing the high-level description, style description (if applicable), and compositional deconstruction with background and elements. | DICT      |

> 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/BuildJsonPromptIdeogram/en.md)

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