You can upload your own images, use predefined icons and emojis or the combined build status of the jobs within a folder as icon.">
As a plugin developer you can use this plugin as dependency of your plugin by adding a dependency tag to your POM.
To avoid version conflicts it is suggested not to depend on a specific version, but use the Jenkins plugin BOM and the following dependency snippet:
<dependency> <groupId>io.jenkins.plugins</groupId> <artifactId>custom-folder-icon</artifactId> </dependency>