createUiDefinition.json

{
    "$schema": "https://schema.management.azure.com/schemas/0.1.2-preview/CreateUIDefinition.MultiVm.json#",
    "handler": "Microsoft.Azure.CreateUIDef",
    "version": "0.1.2-preview",
    "parameters": {
        "basics": [
            {
                "name": "namePrefix",
                "type": "Microsoft.Common.TextBox",
                "label": "Name prefix",
                "defaultValue": "",
                "toolTip": "3-12 lowercase letters/digits. Used to name <prefix>-aoai and <prefix>-cache. Leave blank to auto-generate.",
                "placeholder": "auto-generated if left blank (e.g. cc7f3a2b1c0d)",
                "constraints": {
                    "required": false,
                    "regex": "^$|^[a-z0-9]{3,12}$",
                    "validationMessage": "3-12 lowercase letters or digits, or leave empty to auto-generate."
                },
                "visible": true
            },
            {
                "name": "useExistingAoai",
                "type": "Microsoft.Common.OptionsGroup",
                "label": "Azure OpenAI account",
                "defaultValue": "Create new",
                "toolTip": "Create a brand-new AOAI account, or attach the cache to an existing one in this resource group (skips S0 account-quota usage).",
                "constraints": {
                    "allowedValues": [
                        { "label": "Create new", "value": "new" },
                        { "label": "Use existing in this resource group", "value": "existing" }
                    ],
                    "required": true
                }
            },
            {
                "name": "existingAoaiAccountName",
                "type": "Microsoft.Common.TextBox",
                "label": "Existing AOAI account name",
                "defaultValue": "",
                "toolTip": "Name of an Azure OpenAI (Cognitive Services) account that already exists in the selected resource group.",
                "placeholder": "e.g. my-aoai-account",
                "constraints": {
                    "required": true,
                    "regex": "^[a-zA-Z0-9-]{2,64}$",
                    "validationMessage": "Enter a valid Cognitive Services account name."
                },
                "visible": "[equals(basics('useExistingAoai'), 'existing')]"
            }
        ],
        "steps": [],
        "outputs": {
            "namePrefix": "[basics('namePrefix')]",
            "existingAoaiAccountName": "[if(equals(basics('useExistingAoai'), 'existing'), basics('existingAoaiAccountName'), '')]"
        }
    }
}