{
"function": {
"description": "Generate a QR code image from a given text string or URL. Returns the public URL of the generated image.",
"name": "generate_qr_code",
"parameters": {
"properties": {
"content": {
"description": "The exact text or URL to encode into the QR code.",
"type": "string"
}
},
"required": [
"content"
],
"type": "object"
}
},
"type": "function"
}