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Diffstat (limited to 'nixos/doc/manual/development/option-types.section.md')
| -rw-r--r-- | nixos/doc/manual/development/option-types.section.md | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/nixos/doc/manual/development/option-types.section.md b/nixos/doc/manual/development/option-types.section.md index 00f1d85bdb615..d32d4fc50ad79 100644 --- a/nixos/doc/manual/development/option-types.section.md +++ b/nixos/doc/manual/development/option-types.section.md @@ -308,6 +308,10 @@ The option set can be defined directly ([Example: Directly defined submodule](#ex-submodule-direct)) or as reference ([Example: Submodule defined as a reference](#ex-submodule-reference)). +Note that even if your submodule’s options all have a default value, +you will still need to provide a default value (e.g. an empty attribute set) +if you want to allow users to leave it undefined. + ::: {#ex-submodule-direct .example} ::: {.title} **Example: Directly defined submodule** |