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# viewable_changeable_execute(++ViewableName, ++ElementSpec, ?Goal, ++Solver)

Works as viewable_element_execute/3, but replaces the element spec with the changeable value as returned from the given Solver instead.

ViewableName
  Atom: name of an existent viewable.
ElementSpec
  Currently, this should be element(IndexList), where IndexList is a list of integers: the coordinates of the viewable element within the viewable.
Goal
  Goal to be executed, mentioning ElementSpec.
Solver
  Solver implementing the changeable interface (eg. an eplex instance)

## See Also

viewable_element_execute / 3