# Installation Details The buyer can query an order's installation details. ## Query Installation Details - [POST /queryInstallationDetails](https://ala-api.docs.cityfibre.com/openapi/installation-details/queryinstallationdetails.md): Get the information about such fields as: productName, serviceIdentifier, nniIdentifier, nniSVlanId, nniCVlandId, cfh:lineProfile, etc.