publ betaReference (MCP guide)
Open publ console

timeline_settings_apply

# timeline_settings_apply

Changes app settings in the Timeline app (pApp A00001, or an instance code of the same family). Another app code is refused before any request. Called without confirmToken it previews and returns a confirmToken; repeating the same input with it executes once.

## Inputs

| Field | Required here | Contract |
| --- | --- | --- |
| `settings` | Yes | object |
| `instanceCode` | No | string; pattern `^A(?:000\|9[0-9]{2})01$`; Optional: which installed Timeline app to use (its code, such as A00001 or A90101). Omit it when only one is installed; when several are, pick one from the installed list. |
| `confirmToken` | No | string; pattern `^ct[a-f\d]{32}$`; The confirmToken from this tool's preview result. Omit it to preview; repeat the same input with it to execute. |