{
   "format_version":"1.13.0",
   "minecraft:feature_rules":{
      "description":{
         "identifier":"minecraft:emerald_platform",
         "places_feature":"minecraft:emerald_platform"
      },
      "conditions":{
         "placement_pass":"underground_pass",
         "minecraft:biome_filter":[
            {
               "all_of":[
                  {
                     "any_of":[
                        {
                           "test":"has_biome_tag",
                           "operator":"==",
                           "value":"overworld"
                        },
                        {
                           "test":"has_biome_tag",
                           "operator":"==",
                           "value":"overworld_generation"
                        }
                     ]
                  }
               ]
            }
         ]
      },
      "distribution":{
         "iterations":1,
         "scatter_chance":2.5,
         "coordinate_eval_order":"zyx",
         "x":{
            "distribution":"uniform",
            "extent":[
               0,
               16
            ]
         },
         "y":{
            "distribution":"uniform",
            "extent":[
               -50,
               15
            ]
         },
         "z":{
            "distribution":"uniform",
            "extent":[
               0,
               16
            ]
         }
      }
   }
}