# create_task

Behavior, inputs, outputs and permissions for create_task.

Source: https://docs.getridian.com/developers/tools/create_task/
Language: en
Reviewed: 2026-09-20

This reference is generated from the published tool contract.

## Behavior and boundaries

Creates one task in a writable list returned by list_task_lists. requestId must be unique for this intended task and reused unchanged on retries. dueDate is an optional YYYY-MM-DD calendar date.

## Permissions

Granted scopes, accounts, calendars and visibility rules limit access. Workspace administrators do not automatically gain access to other users’ accounts.

`tasks:read`, `tasks:write`

[Consent and boundaries](https://docs.getridian.com/developers/authentication/)

## Input

```json
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "accountId": {
      "type": "string",
      "minLength": 1
    },
    "taskListId": {
      "type": "string",
      "minLength": 1,
      "maxLength": 2048
    },
    "requestId": {
      "type": "string",
      "minLength": 1,
      "maxLength": 128
    },
    "title": {
      "type": "string",
      "minLength": 1,
      "maxLength": 512
    },
    "dueDate": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$"
    }
  },
  "required": [
    "accountId",
    "taskListId",
    "requestId",
    "title"
  ],
  "additionalProperties": false
}
```

## Output

```json
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "ok": {
      "type": "boolean",
      "const": true
    },
    "taskId": {
      "type": "string"
    },
    "idempotentReplay": {
      "type": "boolean"
    }
  },
  "required": [
    "ok",
    "taskId",
    "idempotentReplay"
  ],
  "additionalProperties": false
}
```

## Errors and retries

Check the tool result for errors. Do not blindly retry writes after a timeout. Check the calendar state first.

[Error handling](https://docs.getridian.com/developers/errors/)