ARM template sample of a combine with user-defined functions and multi-line syntax. It's more readable. When you run this template with Azure CLI, you should apply `--handle-extended-json-format` option.

arm-template.json

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {},
  "variables": {
    "settings": "[
      createArray(
        setting.create('serviceA', bool('true')),
        setting.create('serviceB', bool('false'))
      )
    ]"
  },
  "resources": [],
  "outputs": {
    "settings": {
      "type": "array",
      "value": "[variables('settings')]"
    }
  },
  "functions": [
    {
      "namespace": "setting",
      "members": {
        "create": {
          "parameters": [
            {
              "name": "name",
              "type": "string"
            },
            {
              "name": "enabled",
              "type": "bool"
            }
          ],
          "output": {
            "type": "object",
            "value": {
              "serviceName": "[parameters('name')]",
              "serviceEnabled": "[parameters('enabled')]"
            }
          }
        }
      }
    }
  ]
}