Triggers
Overview
Triggers define the respective condition(s) upon which an Automation Rule will be run against a Tile or Asset that has been aggregated into your respective Stack.
Operations
Nosto's UGC supports a range of comparison, logical, element, elevation, and array query operators, allowing clients to define complex triggers to best define their Automation Rules.
These operations can be utilized when defining Rules via the Rules API
Comparison Query Operators
$gte
Matches values that are greater than or equal to a specified value.
$gt
Matches values that are greater than a specified value.
$lte
Matches values that are less than or equal to a specified value.
$lt
Matches values that are less than a specified value.
$eq
Matches values that are equal to a specified value.
$ne
Matches all values that are not equal to a specified value.
Logical Query Operators
$and
Joins query clauses with a logical AND returns all documents that match the conditions of both clauses.
$or
Joins query clauses with a logical OR returns all documents that match the conditions of either clause.
$nor
Joins query clauses with a logical NOR returns all documents that fail to match both clauses.
$not
Inverts the effect of a query expression and returns documents that do not match the query expression.
Element Query Operators
$exists
Matches documents that have the specified field.
$type
Selects documents if a field is of the specified type.
Elevation Query Operators
$regex
Selects documents where values match a specified regular expression.
$where
Matches documents that satisfy a JavaScript expression.
Array Query Operators
$all
Matches arrays that contain all elements specified in the query.
$elemMatch
Selects documents if element in the array field matches all the specified $elemMatch conditions.
$size
Selects documents if the array field is a specified size.
Fields
Automation Rules supports any data field available on a Tile or Asset object being used in a defined condition within the Trigger.
Listed below are some of the key parameters which could be considered when defining an Automation Rule via the Rules API.
Tile
geohash
Location expressed in a short alphanumeric string
lang
Identified Language on Tile
image_tags
Visual Recognition Concepts
location.name
Name of Location associated with Tile
media
Media Type of the Tile
message
Text Message associated with Tile
name
Username associated with Tile
user
User Handle associated with Tile
stackla_sentiment_score
Sentiment Score applied to the Tile
tags
Tag(s) applied to the Tile
terms
Term(s) in which the Tile has been aggregated through
Asset
claimed
The Rights Status of the Asset
exif.make
EXIF Make Information
exif.model
EXIF Model Information
exif.software
EXIF Software Information
exif.copyright
EXIF Copyright Information
image_tags
Visual Recognition Concepts
media
Media Type of the Tile
message
Text Message associated with Tile the Asset was created from
name
Username associated with Tile the Asset was created from
user
User Handle associated with Tile the Asset was created from
tags
Tag(s) applied to the Tile