notion.appendBlockChildren append child blocks at the end of a block or at a current API position.
Example
automations/notion-append-block-children.automation.ts
Inputs
Provideblock_id and children. Optional position uses the current API positioning shape; the retired top-level after field is rejected. Every input accepts a compatible signal, and an optional second argument can select a named account.
Output
Returns a paginatedblock list containing the appended children.