# MapContext.addCustomLayer(Object object)
Start from base library version 2.12.0. Please remaining backward compatible.
with Promise style call: Not supported
Mini Program plugin: Support
Add personalized layers. Layer creation[Reference document](https://Lbs.qq.com: Lbs.qq.com/dev/console/customLayer/create)
# parameter
# Object object
| attribute | type | Default values | Required | Introductions |
|---|---|---|---|---|
| layerId | string | yes | Personalize Layer ID | |
| success | function | no | Interface calls the successful callback function | |
| fail | function | no | Interface calls failed callback functions | |
| complete | function | no | Callback function at the end of an interface call (both successful and unsuccessful calls are executed) |