# Definition Group

- [Define Variable](/docs/actions-the-power-within/untitled/definition-group/define-variable.md)
- [Set NULL](/docs/actions-the-power-within/untitled/definition-group/set-null.md)
- [Set Unique ID](/docs/actions-the-power-within/untitled/definition-group/set-unique-id.md)
- [Set Value](/docs/actions-the-power-within/untitled/definition-group/set-value.md)
- [Perform Formula](/docs/actions-the-power-within/untitled/definition-group/perform-formula.md)
- [Assign Value](/docs/actions-the-power-within/untitled/definition-group/assign-value.md)
- [Reset Form](/docs/actions-the-power-within/untitled/definition-group/reset-form.md)
- [Read/Write Session Variables](/docs/actions-the-power-within/untitled/definition-group/read-write-session-variables.md)
- [Library Functions](/docs/actions-the-power-within/untitled/definition-group/library-functions.md)