Explorers get the ability to add markers to the online real-time map of the server. In order to add a marker, you need to physically travel to the location in question and then run the marker command. Payment is based on the rarity of the discovery. Please reference the pay table below.

Note that non-standard discoveries are also allowed (huge lavafall in a snow biome, for example), but these will have variable pay.

Pay table:

See here for structure rarity level: https://minecraft.fandom.com/wiki/Generated_structures