---
id: 6657
title: 'core.Observable: addListener() => remove default values from the eventConfig'
state: CLOSED
labels:
  - enhancement
assignees:
  - tobiu
createdAt: '2025-04-16T00:10:34Z'
updatedAt: '2025-04-16T00:10:55Z'
githubUrl: 'https://github.com/neomjs/neo/issues/6657'
author: tobiu
commentsCount: 0
parentIssue: null
subIssues: []
subIssuesCompleted: 0
subIssuesTotal: 0
blockedBy: []
blocking: []
closedAt: '2025-04-16T00:10:55Z'
---
# core.Observable: addListener() => remove default values from the eventConfig

* to keep it more lightweight
* data, delay, once & scope are optional now

## Timeline

- 2025-04-16T00:10:34Z @tobiu added the `enhancement` label
- 2025-04-16T00:10:34Z @tobiu assigned to @tobiu
- 2025-04-16T00:10:48Z @tobiu referenced in commit `8b54166` - "core.Observable: addListener() => remove default values from the eventConfig #6657"
- 2025-04-16T00:10:56Z @tobiu closed this issue

