Overview

Triggers are the criteria that automatically launch a specific function when met. Triggers let you automate your work with other Yandex.Cloud services, such as Yandex Object Storage, Yandex Message Queue, and Yandex IoT Core.

The following types of triggers are available in Cloud Functions:

• Timer.
• Trigger for Message Queue.
• Trigger for Object Storage.
• Trigger for Yandex IoT Core.
• Trigger for Container Registry.
• Trigger for Cloud Logs.

Specifics of functions invoked by triggers

Triggers call functions based on the preset quotas and limits.

When a function is called by a trigger, the following specifics apply:

• Functions are always called by triggers with the integration=raw query string parameter. Read more about function calls.
• Before the trigger passes messages to a function, it changes their format. Each trigger has a specific message format. Read more about this in the trigger description.