Simple usage:

{
  "nodes": [
    {
      "parameters": {},
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [
        -304,
        64
      ],
      "id": "daae3515-fe44-4c08-ab65-66852b725f38",
      "name": "When clicking ‘Execute workflow’"
    },
    {
      "parameters": {
        "paginationSettings": {
          "count": 6,
          "offset": 0
        }
      },
      "type": "@dlir2404/n8n-nodes-tiktok.getProductsInShowcase",
      "typeVersion": 1,
      "position": [
        -160,
        64
      ],
      "id": "8a7585bf-871c-430d-bd42-31072ce09207",
      "name": "Get Products In Showcase",
      "credentials": {
        "tiktokApi": {
          "id": "nCYp4eTWB50cTFkY",
          "name": "TikTok Credential account"
        }
      }
    },
    {
      "parameters": {
        "postSettings": {
          "text": "Hello with credentials",
          "visibilityType": 0,
          "allowComment": 1,
          "scheduleTime": 0,
          "anchors": {
            "anchor": [
              {
                "type": "product",
                "productId": "={{ $json.products[0].product_id }}",
                "displayName": "={{ $json.products[0].title }}"
              }
            ]
          }
        },
        "videoInputType": "filepath",
        "videoFilePath": "/tmp/gemini_generated_video_C989DA81.mp4"
      },
      "type": "@dlir2404/n8n-nodes-tiktok.tikTokUpload",
      "typeVersion": 1,
      "position": [
        -16,
        64
      ],
      "id": "1b8a7a52-5ef4-4189-bb1e-6ed9c82b9944",
      "name": "TikTok Upload",
      "credentials": {
        "tiktokApi": {
          "id": "nCYp4eTWB50cTFkY",
          "name": "TikTok Credential account"
        },
        "dlirApi": {
          "id": "S9KQI9R2k53Rw0UU",
          "name": "Dlir Node Credential account"
        }
      }
    }
  ],
  "connections": {
    "When clicking ‘Execute workflow’": {
      "main": [
        [
          {
            "node": "Get Products In Showcase",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Products In Showcase": {
      "main": [
        [
          {
            "node": "TikTok Upload",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "pinData": {},
  "meta": {
    "templateCredsSetupCompleted": true,
    "instanceId": "0a14f988e303d4870a612d4593abedd78044356421960b9b59f349fd0fc178b2"
  }
}