Emojis
Buildkite supports over 300 custom emojis that you can use in your Buildkite pipelines, including the terminal output of builds, as well as in test suites and registries.
To use an emoji, write the name of the emoji in between colons, like :buildkite: which shows up as 
.
Explore the full list of Buildkite-specific emojis below or at emoji.buildkite.com:
You can also use other emojis, listed from the Smileys & Emotion section onwards of the Buildkite emojis README in GitHub, which contains the full list of emojis available to the Buildkite platform.
Adding custom emojis
Add your own emoji by opening a pull request containing a 64x64 PNG image and a name to the emoji repository.
Buildkite emojis in other tools
Buildkite loads custom emojis as images. Other tools, such as GitHub, might not display the images correctly, and will only show the :text-form:.