Mixing Parameters in Logic Apps with ARM Template

triggers-updated-1.json

"triggers": {
  "OnFileCreatedOrUpdatedInFolder": {
    "type": "ApiConnection",
    "recurrence": {
      "frequency": "Minute",
      "interval": 3
    },
    "inputs": {
      "host": {
        "connection": {
          "name": "@parameters('$connections')['sharepointonline']['connectionId']"
        }
      },
      "method": "get",
      // Replace hard-coded site name with parameter value.
      "path": "/datasets/@{encodeURIComponent(encodeURIComponent(parameters('spoSiteName')))}/triggers/onupdatedfile",
      "queries": {
        // Replace hard-coded folder ID with parameter value.
        "folderId": "[parameters('spoUploadLocation')]",
        "includeFileContent": true,
        "inferContentType": true
      }
    }
  }
}