# Save NVData data to file This function saves its data to an NVData file on disk. cPanel NVData is a per-account configuration storage mechanism that you can use to maintain persistent cPanel & WHM settings across multiple sessions. This includes custom settings for your own themes and plugins. NVData keys and values are limited to 128 and 2048 bytes, respectively. Endpoint: POST /Personalization/set Version: 11.134.0.5 Security: BasicAuth ## Request fields (application/json): - `personalization` (object) The NVData keys and values to update. Example: {"coffee":"hot","milk":"cold"} ## Response 200 fields (application/json): - `apiversion` (integer) The version of the API. Example: 3 - `func` (string) The name of the method called. Example: "set" - `module` (string) The name of the module called. Example: "Personalization" - `result` (object) - `result.data` (object) Example: {"coffee":{"reason":"OK","success":1,"value":"hot"},"milk":{"reason":"OK","success":1,"value":"cold"}} - `result.data.personalization` (object) The saved NVData information stored on the server. You set this return's name based on the keys that you provide in the parameter. - `result.errors` (array,null) List of errors if the API failed. - `result.messages` (array,null) List of messages generated by the API. - `result.metadata` (object) - `result.status` (integer) - — Success - — Failed: Check the errors field for more details. Enum: 0, 1 - `result.warnings` (array,null) List of warnings generated by the API. Warnings describe non-critical failures or other problematic conditions noted while running a API.