text: import bpy
  from bpy.props import *
  from bpy.types import Node, NodeSocket
  from arm.logicnode.arm_nodes import *
  
  class OnVolumeTriggerNode(Node, ArmLogicTreeNode):
      '''On volume trigger node'''
      bl_idname = 'LNOnVolumeTriggerNode'
      bl_label = 'On Volume Trigger'
      bl_icon = 'NONE'
      property0: EnumProperty(
          items = [('Enter', 'Enter', 'Enter'),
                   ('Leave', 'Leave', 'Leave'),
                   ('Overlap', 'Overlap', 'Overlap')],
          name='', default='Enter')
      
      def init(self, context):
          self.inputs.new('ArmNodeSocketObject', 'Object')
          self.inputs.new('ArmNodeSocketObject', 'Volume')
          self.inputs[-1].default_value = 'Volume'
          self.outputs.new('ArmNodeSocketAction', 'Out')
  
      def draw_buttons(self, context, layout):
          layout.prop(self, 'property0')
  
  add_node(OnVolumeTriggerNode, category='Event')
  