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  • REST API
    • Introduction
    • Rate limits
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    • How-to guides
      • Get a control app's API token
      • Get a composition's sub-composition IDs and names and their payload structures
      • Get a control app's model
      • Get a control app's metadata
      • Update a sub-composition's content
      • Update a sub-composition's animation state
      • Update a sub-composition's content and animation state in one call
      • Update multiple sub-compositions in one call
    • API reference
      • Get control app details
        • Get a control app's metadata
        • Get a control app's model
        • Get a control app's control data
      • Send data to a control app
        • Update a control app's content
        • Update a control app's animation state
      • Take out all of an app's output
  • Data stream API
    • Introduction
    • Rate limits
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    • How-to guides
      • Create a data stream
      • Link a data stream to a composition
      • Send data to an app using the data stream API
    • API reference
  • Composition scripting
    • Introduction
    • Overview
    • Quick start
      • Find sub-compositions and widgets
      • Read and update control nodes
      • Set text widget text properties
      • Read and update widget properties
      • Read control nodes and update widget properties
      • Set image widget URL property
      • Set table widget content property
    • Cheat sheets
      • Fundamentals
      • Interactive overlays
      • Best practices
    • Use cases
      • Read control nodes and generate HTML text
      • Read control nodes, generate HTML text with background
      • Text Ticker - Start ticker on "In" animation
    • Composition script editor reference
  • Software development kits
    • Graphics SDK
      • Getting started
      • Reference
        • SDK functions
        • Composition object
        • Sequencer object
      • Guides and examples
        • Load a composition with its token
        • Load a composition with its URL
        • Get the composition URL of an app instance
        • Sequencer VOD example
        • Control local preview of app
        • Load app instance output
    • Overlay SDK
      • Getting started
      • SDK functions
      • Use case examples
    • Widget SDK
      • Preparing your environment
      • Getting started
      • Reference
        • Widget UI definition
        • Widget callback functions
        • Time control object
        • Composition instance
      • Guides and examples
        • Widget example: CSS patterns
    • App SDK
  • Singular Basics
    • Overview of Singular
    • Managing overlays in the Dashboard
      • How to create a new composition
      • How to open a new app template
      • How to create an app for a composition
      • How to extract a composition from an app
      • How to find an app's shared app token and shared API URL
      • Dashboard reference
    • Building overlays in Composer
      • How to build a composition
      • How to set up layer logic to automate overlay transitions
      • How to set up control nodes to make widget properties available to a control app
      • Animating overlays
        • How to create timeline animations
        • How to create behavior animations
        • How to create update animations
      • How to make overlays interactive
      • How to adapt overlays to various screen sizes
      • Composer reference
    • Controlling overlays in Studio and UNO
      • How to use Studio
      • Studio reference
      • UNO reference
  • Support
    • Singular status
    • Support resources
    • Singular terminology
    • Performance Testing
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  • Send notifications from the overlay SDK to a composition script
  • Send messages from composition scripts to the overlay SDK

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  1. Software development kits
  2. Overlay SDK

Use case examples

PreviousSDK functionsNextWidget SDK

Last updated 2 years ago

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Send notifications from the overlay SDK to a composition script

This example uses video.js callbacks to listen to specific player events. The Overlay SDK sends a notification to the composition script when an event occurs. The composition script then updates control nodes in the composition to trigger the indicators.

for a copy of the composition.

Use the player controls and watch the status indicators changing.

Send messages from composition scripts to the overlay SDK

This example shows how to receive messages from a composition script to the overlay SDK.

Click on the interactive icons build within Singular to play the according clip in the video.js player.

for a copy of the composition.

Contact the Singular support team
Contact the Singular support team