Cut the tomatoes into wedges and the cucumber into thick half-moons, not thin rounds; thin cucumber goes limp before it reaches the table. Salt, wait five minutes, then oil — in that order, or the oil seals the salt out.
The method above is what decides the dish, not a step-by-step recipe. The link runs a web search on the name: this page has no vetted sources of its own, and will not invent any.