Using the Terrain Height in Script

Question

For a script i need the Terrain Height (found under Resolution in Terrain).

I tried it with terrainData.heightmapHeight and terrainData.heightmapResolution but both of them seem to be wrong.

I made a screenshot so that you can easily see what value i need:

Answer 1

You can use terrainData.size to get the maximum size of the terrain in world units, so for that value, it would be terrainData.size.y