teams.getChat returns chat metadata without members or messages. Use the list actions for those collections.
Example
automations/get-teams-chat.automation.ts
Inputs
RequiredchatId: string is Microsoft’s opaque identifier. Optional second argument { account } selects a Microsoft binding and defaults to the project binding.
Output
ReturnschatId, chatType, and optional topic, tenantId, createdAt, updatedAt, and webUrl.