only when a user management [...] : Placeholder for the user [...] by its own variable, but by a user

only when a user management [...] : Placeholder for the user [...] by its own variable, but by a user

only when a user management [...] : Placeholder for the user [...] by its own variable, but by a user

only when a user management [...] : Placeholder for the user [...] by its own variable, but by a user

only when a user management [...] : Placeholder for the user [...] by its own variable, but by a user

only when a user management [...] : Placeholder for the user [...] by its own variable, but by a user

user management [...] visualization user can modify [...] The visualization user can modify

only when a user management [...] to user input [...] user holds

only when a user management [...] TRUE : User inputs [...] . There the visualization user can use

only when a user management [...] Manager in the library [...] in the Library Manager