If you have command groups in your CLI application so that you have subcommands, you can pass arguments from the group down to the subcommands with the context object. Here's the pattern:
```python
@click.group()
@click.argument("arg1", type=click.File("r"))
@click.option("--option1", default="test")
@click.pass_context
def cli(ctx, arg1, option: str):
ctx.ensure_object(dict)
ctx.obj["arg1"] = arg1
ctx.obj["option1"] = option1
@click.command()
@click.argument("subcommand_arg", type=str)
@click.pass_context
def trigger_training_job(ctx, subcommand_arg):
arg1_from_group = ctx.obj["arg1"]
if __name__ == "__main__":
cli(obj={})
```
## Source
[Click documentation](https://click.palletsprojects.com/en/8.1.x/complex/#contexts)