The category determines in which biomes or regions the specified loot will be caught.

Create category

Open /fish menu and create a new category

A new object will be created in the drop Data.json file

{
  "biomesIds": [
    {
      "iconBase64": "rO0ABXNyABpvcmcuYnVra2l0LnV0aWwuaW8uV3JhcHBlcvJQR+zxEm8FAgABTAADbWFwdAAPTGphdmEvdXRpbC9NYXA7eHBzcgA1Y29tLmdvb2dsZS5jb21tb24uY29sbGVjdC5JbW11dGFibGVNYXAkU2VyaWFsaXplZEZvcm0AAAAAAAAAAAIAAkwABGtleXN0ABJMamF2YS9sYW5nL09iamVjdDtMAAZ2YWx1ZXNxAH4ABHhwdXIAE1tMamF2YS5sYW5nLk9iamVjdDuQzlifEHMpbAIAAHhwAAAAA3QAAj09dAABdnQABHR5cGV1cQB+AAYAAAADdAAeb3JnLmJ1a2tpdC5pbnZlbnRvcnkuSXRlbVN0YWNrc3IAEWphdmEubGFuZy5JbnRlZ2VyEuKgpPeBhzgCAAFJAAV2YWx1ZXhyABBqYXZhLmxhbmcuTnVtYmVyhqyVHQuU4IsCAAB4cAAADnR0AAxXQVRFUl9CVUNLRVQ\u003d",
      "chanceMonster": "25",
      "colorLight": "#FFFFFF",
      "colorDark": "#999999",
      "full_research_award": [],
      "biomesList": [],
      "customBiomesList": [],
      "regionsList": [],
      "dropsItem": []
    }
  ]
}

iconBase64 - the category icon. This icon will be displayed in the /fish catalog. If you want to set a new icon, just create an item with the desired name or description and move it to the icon column (/lfish menu -> category -> put item to icon)
chanceMonster - The chance of a monster appearing
colorLight,colorDark - custom HEX colors for the category

full_research_award - Dispatch command
biomesList - list of vanilla biomes of minecraft
customBiomesList - list of custom biomes
regionsList - list of regions (WorldGuard)
dropsItem - list of drops

Custom biomes

To work with custom biomes you need to add an additional library on the server RTUBiomeLib