Assuming you are talking about "retrospectives", you can search the Atlassian Marketplaces for free apps based on the project (jira), the hosting (cloud), the cost (free), and keywords.
Here's an example
Hi, Jira users! Do you use Jira alongside Microsoft Teams? We want to hear how you’ve used the power of Jira Cloud and Microsoft Teams (via the Jira Cloud for Microsoft Teams app) to achieve a team...
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