Hello from tmpltool!
Current user: {{ get_env(name="USER") }}
Home directory: {{ get_env(name="HOME") }}
Shell: {{ get_env(name="SHELL") }}
Path: {{ get_env(name="PATH") }}
{% set custom_var = get_env(name="CUSTOM_VAR", default="") %}
{% if custom_var %}
Custom variable is set to: {{ custom_var }}
{% else %}
Custom variable is not set.
{% endif %}