How to get JWT token which is generated in VS Code automatically from Azure Portal for Standard Logic app workflows?

Setting up logic app and adding storage account connector with VS code generated following parameter file locally and stores jwt token in locall.settings.json file as azureblob-connectionKey.

but there is now way to get/generate key from Azure Portal or any other way. How do you get key?

{
  "azureblob-ConnectionRuntimeUrl": {
    "type": "String",
    "value": "@appsetting('azureblob-ConnectionRuntimeUrl')"
  },
  "azureblob-Authentication": {
    "type": "Object",
    "value": {
      "type": "Raw",
      "scheme": "Key",
      "parameter": "@appsetting('azureblob-connectionKey')"
    }
  }
}