Entity Documentation - minecraft:behavior.swim_with_entity

Allows the entity follow another entity. Both entities must be swimming [ie, in water].

Swim With Entity Behavior Properties

Name	Default Value	Type	Description	Example Values
catch_up_multiplier	2.5	Decimal number	The multiplier this entity's speed is modified by when matching another entity's direction.	Dolphin: 2.5
catch_up_threshold	12	Decimal number	Distance, from the entity being followed, at which this entity will speed up to reach that entity.	Dolphin: 12
chance_to_stop	0.0333	Decimal number	Percent chance to stop following the current entity, if they're riding another entity or they're not swimming. 1.0 = 100%	Dolphin: 0.0333
entity_types	not set	Minecraft filter	Filters which types of entities are valid to follow.	Dolphin: [{"filters":{"test":"is_family","subject":"other","value":"player"}}]
match_direction_threshold	2	Decimal number	Distance, from the entity being followed, at which this entity will try to match that entity's direction	Dolphin: 2
priority	not set	Integer number	As priority approaches 0, the priority is increased. The higher the priority, the sooner this behavior will be executed as a goal.	Dolphin: 4
search_range	20	Decimal number	Radius around this entity to search for another entity to follow.	Dolphin: 20
speed_multiplier	1.5	Decimal number	The multiplier this entity's speed is modified by when trying to catch up to the entity being followed.	Dolphin: 1.5
state_check_interval	0.5	Decimal number	Time (in seconds) between checks to determine if this entity should catch up to the entity being followed or match the direction of the entity being followed.	Dolphin: 0.5
stop_distance	5	Decimal number	Distance, from the entity being followed, at which this entity will stop following that entity.	Dolphin: 5
success_rate	0.1	Decimal number	Percent chance to start following another entity, if not already doing so. 1.0 = 100%	Dolphin: 0.1

Samples

Dolphin

"minecraft:behavior.swim_with_entity": {
  "priority": 4,
  "success_rate": 0.1,
  "chance_to_stop": 0.0333,
  "state_check_interval": 0.5,
  "catch_up_threshold": 12,
  "match_direction_threshold": 2,
  "catch_up_multiplier": 2.5,
  "speed_multiplier": 1.5,
  "search_range": 20,
  "stop_distance": 5,
  "entity_types": [
    {
      "filters": {
        "test": "is_family",
        "subject": "other",
        "value": "player"
      }
    }
  ]
}