gcloud billing --help

NAME
    gcloud billing - manage billing accounts and associate them with projects

SYNOPSIS
    gcloud billing GROUP [GCLOUD_WIDE_FLAG ...]

DESCRIPTION
    Manage billing accounts and associate them with projects.

EXAMPLES
    To list billing accounts associated with the current user, run:

        $ gcloud billing accounts list

    To link one of the billing accounts 0X0X0X-0X0X0X-0X0X0X with a project
    my-project, run:

        $ gcloud billing projects link my-project \
            --billing-account 0X0X0X-0X0X0X-0X0X0X

GCLOUD WIDE FLAGS
    These flags are available to all commands: --help.

    Run $ gcloud help for details.

GROUPS
    GROUP is one of the following:

     accounts
        Manage billing accounts.

     budgets
        Manage the budgets of your billing accounts.

     projects
        Manage the billing account configuration of your projects.

• gcloud billing [ --help ]
• gcloud [ config | scheduler | auth | asset | services | gcloud auth login | iam | sql | projects | container | compute | kms | source], gcloud composer environments create | build | gcloud config set project, gcloud source repos create, gcloud composer environments create, gcloud version, gcloud --help