zone_names(x)

## S4 method for signature 'ConservationProblem'
zone_names(x)

## S4 method for signature 'ZonesRaster'
zone_names(x)

## S4 method for signature 'ZonesCharacter'
zone_names(x)

# load data
data(sim_pu_zones_stack, sim_features_zones)

# print names of zones in a Zones object
print(zone_names(sim_features_zones))
# create problem with multiple zones
p <- problem(sim_pu_zones_stack, sim_features_zones) %>%
     add_min_set_objective() %>%
     add_relative_targets(matrix(0.2, ncol = 3, nrow = 5)) %>%
     add_binary_decisions()

# print zone names in problem
print(zone_names(p))