How to pass a secret to Galaxy's role as parameter?

[Zulhilmi_Zainudin]

Tree structure:
.
├── README.md
├── galaxy
│ ├── requirements.yaml
│ └── roles
│ └── github-runner.yaml
└── inventories
└── hosts.yaml

3 directories, 4 files

galaxy/requirements.yaml content:

[gtirloni]

What was the error with using lookup()?