> For the complete documentation index, see [llms.txt](https://simpldb.js.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://simpldb.js.org/v2.11.0/documentation/database/set.md). # .set() Sets a new value to the value of the provided key. ### set(key, value, encrypt)

Parameter	Default	Description
Parameter	Default	Description
key		String The target key
value		JSONData The value to set
encrypt	`false`	Boolean (optional) Whether or not to encrypt the value before setting it

| **Returns** | **Description** | | ---------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------- | | [JSONData](https://simpldb.gitbook.io/docs/types-and-interfaces/jsondata) \| [Data](https://simpldb.gitbook.io/docs/types-and-interfaces/data) | The updated data from the provided key's root | #### ```javascript db.set('user', { name: 'Peter' }); // { name: 'Peter' } db.get('user'); // { name: 'Peter' } ``` Also allows the use of dot notation: ```javascript db.get('user'); // { name: 'Peter' } db.set('user.age', 19); // { name: 'Peter', age: 19 } ``` And the possibility to encrypt the data to safely store it: ```javascript db.set('PASSWORD', 'password123', true); // d95e3df34d0a39c3177adf393e90c533:d861d25474fb4fe0c921be ``` And even a way to delete an entry from the database (**version 2.0.2 and above**): ```javascript db.get('user'); // { name: 'Peter', age: 19 } db.set('user.age', undefined); // { name: 'Peter' } ```