Adobe Firefly Api Generate Images Request Structure

{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/adobe-creative-cloud/refs/heads/main/json-structure/adobe-firefly-api-generate-images-request-structure.json",
  "name": "GenerateImagesRequest",
  "description": "GenerateImagesRequest from Adobe API",
  "type": "object",
  "properties": {
    "prompt": {
      "type": "string",
      "maxLength": 1024,
      "description": "Text description of the image to generate.",
      "example": "A beautiful sunset over the ocean"
    },
    "negativePrompt": {
      "type": "string",
      "maxLength": 1024,
      "description": "Text describing elements to exclude from generation.",
      "example": "A beautiful sunset over the ocean"
    },
    "numVariations": {
      "type": "int32",
      "minimum": 1,
      "maximum": 4,
      "default": 1,
      "description": "Number of image variations to generate.",
      "example": 42
    },
    "size": {
      "type": "object",
      "description": "Output image dimensions.",
      "properties": {
        "width": {
          "type": "int32",
          "description": "Width in pixels."
        },
        "height": {
          "type": "int32",
          "description": "Height in pixels."
        }
      }
    },
    "contentClass": {
      "type": "string",
      "enum": [
        "photo",
        "art"
      ],
      "description": "Content class hint. photo optimizes for photorealistic output, art for artistic/illustrated styles.",
      "example": "photo"
    },
    "style": {
      "type": "object",
      "description": "Style configuration for generation.",
      "properties": {
        "presets": {
          "type": "array",
          "items": {
            "type": "string"
          },
          "description": "Style preset identifiers."
        },
        "referenceImage": {
          "$ref": "#/components/schemas/ImageReference"
        }
      }
    },
    "seeds": {
      "type": "array",
      "items": {
        "type": "int32"
      },
      "description": "Random seeds for reproducible generation. One seed per requested variation."
    }
  },
  "required": [
    "prompt"
  ]
}