functiondeploy.json

{
    "name": "[concat(variables('functionsAppServiceName'), '/', variables('functionName'))]",
    "type": "Microsoft.Web/sites/functions",
    "apiVersion": "2015-08-01",
    "properties": {
        "config": {
            "bindings": [
                {
                    "name": "myTimer",
                    "type": "timerTrigger",
                    "direction": "in",
                    "schedule": "[variables('functionSchedule')]"
                }
            ],
            "disabled": false
        },
        "files": {
            "run.csx": "file-contents-goes-here"
        }
    },
    "dependsOn": [
        "[resourceId('Microsoft.Web/sites', variables('functionsAppServiceName'))]"
    ]
}