thing.attr.change Event
The thing.attr.change event is triggered when an attribute for a thing is altered.
Form
Parameters
|
Name |
Type |
Required |
Description |
|---|---|---|---|
|
Thing key |
String |
|
This trigger can be limited to a thing specified by key. Leave blank to not limit this trigger to a specific thing. |
|
Thing tags |
String |
|
This trigger can be limited to things specified by tags. Leave blank to not limit this trigger to things specified by tag. |
|
Attribute key |
String |
|
This trigger can be limited to a specified attribute by key. Leave blank to not limit this trigger to a specific attribute. |
Event variables
|
Name |
Type |
Description |
|---|---|---|
|
$(event.attr.key) |
String |
The key of the attribute that initiated this trigger. |
|
$(event.attr.name) |
String |
The name of the attribute that initiated this trigger. |
|
$(event.attr.ts) |
String |
The timestamp when the trigger was initiated. |
|
$(event.attr.value) |
String |
The value set to the attribute when this trigger was initiated. |
|
$(event.thing.key) |
String |
The key of the thing that initiated this trigger. |
|
$(event.thing.name) |
String |
The name of the thing that initiated this trigger. |
|
$(event.thing.type) |
String |
The thing definition key of the thing that initiated this trigger. |