# Halo PSA instance URL (e.g. https://yourcompany.halopsa.com) HALO_INSTANCE_URL=https://yourcompany.halopsa.com # OAuth 2.0 Client Credentials — create these in Halo: # Configuration > Integrations > Halo PSA API > Applications > New # Auth method: "Client ID and Secret (Services)" HALO_CLIENT_ID=your-client-id-guid HALO_CLIENT_SECRET=your-client-secret # Optional: tenant name (required for multi-tenant Halo instances) HALO_TENANT=