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Append Block Children

by
Published Jun 6, 2022

Append Notion block objects to a page or block, at the end or after a given child block.

Script notion Verified
Use in Windmill

The script

Submitted by hugo989 Typescript (fetch-only)
Verified 3 days ago
All edits
Permalink
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//native
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/**
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 * Append Block Children
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 * Append Notion block objects (paragraphs, headings, to-dos, …) to a page or block, at the end or after a given child block. Up to 100 blocks per call. For plain text, Append Markdown to Page is simpler.
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 */
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export async function main(
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  auth: RT.Notion,
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  block_id: string,
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  children: { [key: string]: any }[],
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  after_block_id: string | undefined
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) {
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  const body: { [key: string]: any } = { children }
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  if (after_block_id !== undefined && after_block_id !== "") {
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    body.position = { type: "after_block", after_block: { id: after_block_id } }
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  }
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  const response = await fetch(
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    `https://api.notion.com/v1/blocks/${block_id}/children`,
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    {
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      method: "PATCH",
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      headers: {
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        Authorization: `Bearer ${auth.token}`,
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        "Content-Type": "application/json",
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        Accept: "application/json",
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        "Notion-Version": "2026-03-11",
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      },
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      body: JSON.stringify(body),
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    }
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  )
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  if (!response.ok) {
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    throw new Error(`${response.status} ${await response.text()}`)
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  }
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  return await response.json()
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}
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Other submissions
  • Submitted by adam186 Deno
    Created 516 days ago
    All edits
    Permalink
    1 
    import { Client } from "npm:@notionhq/client";
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    import type { BlockObjectRequest } from "npm:@notionhq/client/2.2.4/build/src/api-endpoints.js";
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    /**
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     * Learn more at
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     * https://developers.notion.com/reference/patch-block-children
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     */
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    type Notion = {
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      token: string;
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    };
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    export async function main(
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      auth: Notion,
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      block_id: string,
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      children: object[] = [],
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    ) {
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      const client = new Client({ auth: auth.token });
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      return await client.blocks.children.append({
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        block_id,
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        children: children as BlockObjectRequest,
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      });
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    }
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  • Submitted by hugo989 Bun
    Created 124 days ago
    All edits
    Permalink
    1 
    import { Client } from "@notionhq/client";
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    import type { BlockObjectRequest } from "@notionhq/client/build/src/api-endpoints";
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    /**
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     * Learn more at
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     * https://developers.notion.com/reference/patch-block-children
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     */
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    type Notion = {
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      token: string;
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    };
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    export async function main(
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      auth: Notion,
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      block_id: string,
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      children: object[] = [],
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    ) {
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      const client = new Client({ auth: auth.token });
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      return await client.blocks.children.append({
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        block_id,
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        children: children as BlockObjectRequest,
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      });
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    }
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