# Worldmap - collision of marker names in different layers

**URL:** <https://discourse.nodered.org/t/worldmap-collision-of-marker-names-in-different-layers/43539>\
**Category:** Dashboard\
**Created:** [2 April 2021 08:53 UTC](https://discourse.nodered.org/t/worldmap-collision-of-marker-names-in-different-layers/43539 "2021-04-02T08:53:53Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![meeki007](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/meeki007/32/12499_2.png) [@meeki007](https://discourse.nodered.org/u/meeki007)\
**Post date:** [2 April 2021 22:54 UTC](https://discourse.nodered.org/t/worldmap-collision-of-marker-names-in-different-layers/43539/5 "2021-04-02T22:54:23Z")

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@rogerjames99 - this is prob way below your skill level but your questions and the struggle is see others having with the worldmap (i love) made we want to create this example so others can start playing with it.

> [@Worldmap - Working with Markers example](https://discourse.nodered.org/t/worldmap-working-with-markers-example/43576):
>
> What this example provides: Save markers you create on the map between deployments, restarts, page refreshes. Warns user if marker name is already used and does not overwrite marker. Outlines step by step how to add a marker with name, layer, icon, and icon colour. First import this flow [{"id":"150b582b.3e6d68","type":"tab","label":"worldmap-markers","disabled":false,"info":""},{"id":"f1e92b11.aa1ed","type":"worldmap","z":"150b582b.3e6d68","name":"","lat":"","lon":"","zoom":"","layer":"","c…

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_[View the full topic](https://discourse.nodered.org/t/worldmap-collision-of-marker-names-in-different-layers/43539)._