Return Adaptive Card on composeExtensions message Context

Hello, I have created a Messaging Extension application, and that manifest.template.json in composeExtensions i have a created a command and context is message.

This is the part of code.
{
"id": "shareMessage",
"context": [
"message"
],
"description": "Test command to run action on message context (message sharing)",
"title": "Share Message",
"type": "action",
"parameters": [
{
"name": "includeImage",
"title": "Include Image",
"description": "Include image in Hero Card",
"inputType": "toggle"
}
]
}

So, i would like to call adaptivecard