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# Factorio Prototype Docs Version 2.0.77

# TriggerItem - Prototype Docs

## TriggerItem :: struct - abstract

The abstract base of all Triggers.

Children AreaTriggerItem ClusterTriggerItem DirectTriggerItem LineTriggerItem

## Properties

- default
- sorted

entity_flags optional | :: EntityPrototypeFlags | Only prototypes with these flags are affected by the trigger item.
Only prototypes with these flags are affected by the trigger item.
collision_mask optional | :: CollisionMaskConnector | Only prototypes with these collision masks are affected by the trigger item.
Only prototypes with these collision masks are affected by the trigger item.
ignore_collision_condition optional | :: boolean |
trigger_target_mask optional | :: TriggerTargetMask | The trigger affects only prototypes with these masks.
The trigger affects only prototypes with these masks.
repeat_count optional | :: uint32 |
probability optional | :: float | Must be greater than 0 and less than or equal to 1.
Must be greater than 0 and less than or equal to 1.
action_delivery optional | :: TriggerDelivery or array[TriggerDelivery] |
force optional | :: ForceCondition | Only entities meeting the force condition are affected by the trigger item.
Only entities meeting the force condition are affected by the trigger item.

action_delivery optional | :: TriggerDelivery or array[TriggerDelivery] |
collision_mask optional | :: CollisionMaskConnector | Only prototypes with these collision masks are affected by the trigger item.
Only prototypes with these collision masks are affected by the trigger item.
entity_flags optional | :: EntityPrototypeFlags | Only prototypes with these flags are affected by the trigger item.
Only prototypes with these flags are affected by the trigger item.
force optional | :: ForceCondition | Only entities meeting the force condition are affected by the trigger item.
Only entities meeting the force condition are affected by the trigger item.
ignore_collision_condition optional | :: boolean |
probability optional | :: float | Must be greater than 0 and less than or equal to 1.
Must be greater than 0 and less than or equal to 1.
repeat_count optional | :: uint32 |
trigger_target_mask optional | :: TriggerTargetMask | The trigger affects only prototypes with these masks.
The trigger affects only prototypes with these masks.

## Properties

### entity_flags :: EntityPrototypeFlags optional

Default: All flags

Only prototypes with these flags are affected by the trigger item.

### collision_mask :: CollisionMaskConnector optional

Default: All masks

Only prototypes with these collision masks are affected by the trigger item.

### ignore_collision_condition :: boolean optional

Default: `false`

### trigger_target_mask :: TriggerTargetMask optional

Default: Everything

The trigger affects only prototypes with these masks.

### repeat_count :: uint32 optional

Default: `1`

### probability :: float optional

Default: `1`

Must be greater than 0 and less than or equal to 1.

### action_delivery :: TriggerDelivery or array[TriggerDelivery] optional

### force :: ForceCondition optional

Default: All forces

Only entities meeting the force condition are affected by the trigger item.