# Lists

- [traverseOptionM](/fstoolkit-errorhandling/fstoolkit.errorhandling/option/lists/traverseoptionm.md)
- [sequenceOptionM](/fstoolkit-errorhandling/fstoolkit.errorhandling/option/lists/sequenceoptionm.md)
- [traverseVOptionM](/fstoolkit-errorhandling/fstoolkit.errorhandling/option/lists/traversevoptionm.md)
- [sequenceVOptionM](/fstoolkit-errorhandling/fstoolkit.errorhandling/option/lists/sequencevoptionm.md)