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====== TrainCarts Commands Selectors ======

This page contains information about using selectors with TrainCarts commands to target specific trains or passengers of trains.

===== Introduction =====
TrainCarts adds command selectors similar to Minecraft's @e selector. These selectors allow targeting based on various train properties. Two selectors exist: `@train` and `@ptrain`. Use `/train info --train @ptrain[` to see available conditions in-game.

### Quick Command Examples
| Example | Description |
|---------|-------------|
| `/say hello @ptrain[distance=..5]` | Message "hello" to passengers of trains within 5 blocks |
| `/kick @ptrain[name=train23]` | Kick players in train named 'train23' |
| `/train destroy --train @train[destination=InterState5]` | Destroy trains heading for InterState5 |
| `/train eject --train @train[dx=-2..2,dy=-3..3,dz=-2..2]` | Eject trains within a specified cuboid range |
| `/train launch 0.5 --options 2 --train @train[tag=express]` | Launch trains tagged 'express' to a speed of 0.5 over 2 blocks |

===== Conditions =====
Multiple conditions can be combined using commas, and all number-based conditions support Minecraft range syntax (e.g., `a..b`, `..6`, `12..`). Prefixing a value with `!` negates the condition.

### Position Cuboid
Specify coordinates and optionally grow the cuboid using `dx/dy/dz`. The `world` condition can target trains in specific worlds.

Examples:
  * `@train[x=10..12,y=23..56,z=-100..-80]`
  * `@train[x=10,y=23,z=-100,dx=2,dy=33,dz=20]`
  * `@train[dx=-10..10,dy=-5..5,dz=-10..10]`

### Distance
Filter trains based on spherical distance to the sender or specified cuboid.

Examples:
  * `@train[distance=..10]`
  * `@train[distance=1000..]`
  * `@train[x=100,y=50,z=-100,distance=..5]`

### Sort and Limit
Sort results by `nearest`, `furthest`, or `random`. Use `limit` to specify the number of results.

Examples:
  * `@train[distance=..100,sort=random,limit=1]`
  * `@train[distance=..100,sort=nearest,limit=2]`
  * `@train[distance=1000..,sort=furthest,limit=10]`

### Train Name
Select trains by name or pattern. Supports wildcards.

Examples:
  * `@train[name=train12]`
  * `@train[name=Intercity*Express]`
  * `@train[name=*]`

### Train Tags
Filter trains by tags. Supports multiple tags and wildcards.

Examples:
  * `@train[tag=mytag]`
  * `@train[tag=*fast,tag=!express]`

### Passenger Count
Filter trains based on the number of passengers or player passengers.

Examples:
  * `@train[passengers=5..]`
  * `@train[playerpassengers=2..]`

### Derailed
Select derailed trains.

Examples:
  * `@train[derailed=1]`
  * `@train[derailed=true]`

### Unloaded
Select trains in unloaded chunks.

Examples:
  * `@train[unloaded=1]`
  * `@train[unloaded=true]`

### Speed
Filter trains by speed.

Examples:
  * `@train[speed=0]`
  * `@train[velocity=0.5..]`

### Miscellaneous Properties
Additional properties can filter selections:
  * **destination** - Set destination for the train.
  * **friction** - Friction modifier (default: 1).
  * **gravity** - Gravity modifier (default: 1).
  * **keepchunksloaded** - Whether the train keeps nearby chunks loaded.
  * **speedlimit** - Speed limit set for the train.
  * **ticket** - Filter by ticket names.

For more details, visit the [original page](https://wiki.traincarts.net/p/TrainCarts/Commands/Selectors).
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