Autosaving refers to the feature that automatically saves the currently editing contents into Web Storage of the browser..
To use autosaving feature, you need to set the following preferences.
Unit: ms (default = 60000)
synapeditor.config.js
{
'editor.autoSave': true,
'editor.autoSave.period': 60000,
}
Saved contents can be loaded to the editing window through "
Open Autosave".