Files
twenty/packages/twenty-docs/developers/extend/capabilities
martmullandGitHub ba59ab8094 Add upload file in twenty client (#18129)
This function 

```typescript
import { defineLogicFunction } from 'twenty-sdk';
import TwentyClient from 'twenty-sdk/generated';

import { v4 } from 'uuid';

export const POST_INSTALL_UNIVERSAL_IDENTIFIER =
  '1312be5c-4fd6-44b3-afd0-567352616c7c';

const handler = async (): Promise<any> => {
  const client = new TwentyClient();

  const seedResult = await client.mutation({
    createCompany: {
      id: true,
      name: true,
      __args: {
        data: {
          name: `toto + ${v4()}`,
        },
      },
    },
  });

  const companyFieldUniversalIdentifier =
    '20202020-15db-460e-8166-c7b5d87ad4be';

  const uploadFileResult = await client.uploadFile(
    Buffer.from('hello world', 'utf-8'),
    'test.txt',
    undefined,
    companyFieldUniversalIdentifier,
  );

  await client.mutation({
    createAttachment: {
      id: true,
      __args: {
        data: {
          file: [{ fileId: uploadFileResult.id, label: 'hello-world.txt' }],
          fullPath: uploadFileResult.path,
          targetCompanyId: seedResult.createCompany?.id,
        },
      },
    },
  });

  return;
};

export default defineLogicFunction({
  universalIdentifier: POST_INSTALL_UNIVERSAL_IDENTIFIER,
  name: 'post-install',
  description: 'Add a description for your logic function',
  timeoutSeconds: 30,
  handler,
});

```

produces this record below 

<img width="1512" height="859" alt="image"
src="https://github.com/user-attachments/assets/57dc3a6b-fd2c-4f21-8331-8f1f05403826"
/>
2026-02-20 17:11:59 +00:00
..
2025-12-22 09:07:06 +01:00