# Inheriting WebMapServiceImageryProvider class for the layers to add set method

**URL:** <https://community.cesium.com/t/inheriting-webmapserviceimageryprovider-class-for-the-layers-to-add-set-method/28964>\
**Category:** CesiumJS\
**Created:** [December 28, 2023, 3:35am UTC](https://community.cesium.com/t/inheriting-webmapserviceimageryprovider-class-for-the-layers-to-add-set-method/28964 "2023-12-28T03:35:25Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Ewithome](https://sea2.discourse-cdn.com/cesium/user_avatar/community.cesium.com/ewithome/32/21249_2.png) [@Ewithome](https://community.cesium.com/u/Ewithome)\
**Post date:** [December 28, 2023, 3:35am UTC](https://community.cesium.com/t/inheriting-webmapserviceimageryprovider-class-for-the-layers-to-add-set-method/28964/1 "2023-12-28T03:35:25Z")

</div>

Inheriting WebMapServiceImageryProvider class for the layers to add set method.

The reload method does not take effect

How to refresh

thank you.

cesium version:1.112.0