Companion ads enable you to create a more integrated viewer experience that can increase brand awareness and drive conversions. This is accomplished by rendering a companion ad in a view you provide.
After a companion ad is rendered, it remains visible until one of two conditions is met:
A new companion ad of the same size is rendered.
The VAST video ad ends.
When a companion ad is rendered, the player registers the `
companion` event containing an array of `
If you want to remove the companion ads at a certain time, you can always clear the host view subviews.
The companion ad _resource_ and _creative event_ tracking pixels are not available while using Google IMA as ad client.
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## Configure companion ads and listen for the companion event
Use the following recipes to configure Google IMA companion ads and listen for the companion event.