With JuliaHub.jl you can do things such as start JuliaHub jobs, access job outputs, and manage your datasets, programmatically, directly in the REPL or in your Julia script. It can also be used in JuliaHub jobs to interact with the platform (to upload datasets, for example).
If you are unfamiliar with JuliaHub.jl, you may want to start out by reading through the package's Getting Started tutorial. If you want to know in detail how to programmatically work with a particular JuliaHub feature, you may want to skim through the applicable how-to guide:
Finally, detailed explanations and API references of JuliaHub.jl features and functions are available in the reference section of the manual:
The documentation here focuses on working with the JuliaHub.jl Julia library. See the main JuliaHub documentation to learn more about the JuliaHub platform, and see product (e.g. JuliaSim) documentation for product-specific questions.