How to call a task in another warehouse

I have an automated test task in warehouse A. I want to call warehouse A for automated testing after warehouse B is automatically built. What should I do?

This plugin is probably what you are looking for: it triggers builds other pipelines from other repos.

Does the token in this plugin use the deployment key in the git warehouse management application?

The token would be from your Drone user

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The above is an example URL you would need to reference your own drone install