Breakdown of Cuando hayas terminado, llámame.
llamar
to call
terminar
to finish / to end up (in a state) / to quite manage (in negatives, + infinitive)
me
to me / myself (reflexive) / me (direct object)
haber
to have (auxiliary)
cuando
when (not in questions)
Elon.io is an online learning platform
We have an entire course teaching Spanish (Spain) grammar and vocabulary.