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

Operator	Description
$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

Operator	Description
$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

Operator	Description
$exists	Matches documents that have the specified field.
$type	Selects documents if a field is of the specified type.

Elevation Query Operators

Operator	Description
$regex	Selects documents where values match a specified regular expression.
$where	Matches documents that satisfy a JavaScript expression.

Array Query Operators

Operator	Description
$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

Field	Description
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

Field	Description
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

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