# Modify ## Modify Record Content (JSON Only) {% code lineNumbers="true" %} ```javascript db.get('tag').setValue('key','value') ``` {% endcode %} {% hint style="info" %} For non-JSON, use [`overwrite()`](#overwrite) {% endhint %} ### Parameters

Name	About	Type	Required
tag	The Record's tag	String	true
key	The key to change	String	true
value	The value to set to	Any	true

## Append data to Record {% hint style="warning" %} Do not use this with JSON records. {% endhint %} {% code lineNumbers="true" %} ```javascript db.get('tag').append(data) ``` {% endcode %}

Name	About	Type	Required
data	The data to add	Any	true

## Change the length of a Record {% code lineNumbers="true" %} ```javascript db.get('tag').truncate(start,end) ``` {% endcode %}

Name	About	Type	Required
start	Index to start at	Number	true
end	Index to stop at	Number	true

## Overwrite Record Content {% code lineNumbers="true" %} ```javascript db.get('tag').overwrite(data) ``` {% endcode %} ### Parameters

Name	About	Type	Required
tag	The Record's tag	String	true
data	The data to overwrite with	Any (must match file extension)	true

## Modify Record's tag {% code lineNumbers="true" %} ```javascript db.get('old_tag').setTag('new_tag') ``` {% endcode %} ### Parameters

Name	About	Type	Required
old_tag	The current tag of the Record.	String	true
new_tag	The new tag you want for the Record.	String	true

## Overwrite Data from another Record {% code lineNumbers="true" %} ```javascript db.get('tag').syncWith('_tag') ``` {% endcode %} ### Parameters

Name	About	Type	Required
_tag	The tag of the Record you want to get the data from.	String	true