Manually trigger a workflow instance.
Works for any trigger type. Accepts an optional JSON body that becomes
the trigger context data available via {{trigger.*}} in step configs.
curl --request POST \
--url https://api.example.com/api/v1/workflows/{workflow_id}/trigger \
--header 'Content-Type: application/json' \
--data '{}'{
"message": "<string>",
"instance_id": "<string>"
}curl --request POST \
--url https://api.example.com/api/v1/workflows/{workflow_id}/trigger \
--header 'Content-Type: application/json' \
--data '{}'{
"message": "<string>",
"instance_id": "<string>"
}