{
  "namespace": "...",
  "name": "...",
  "version": "...",

  "script": "...",

  "description": "...",
  "documentation": "...",
  "author": "...",

  "activation": {
    "preserve": false,
    "space": ["...", ...],
    "category": ["...", ...],
    "label": ["...", ...],
    "group": ["...", ...],
    "user": ["...", ...]
  }
}

The following JSON attributes identify the userscript.

The following JSON attribute references the userscript JavaScript code.

The following JSON attributes provide additional information on the userscript.

The activation record is defined with the JSON attribute activation, which is a map of attributes.

The activation record provides the following JSON attributes to control in which context the referenced userscript is executed.

There is also a control flag for conveniently alter a script without altering the activation record.