pkg file using the pkgbuild command.To test beta versions of apps and App Clips using TestFlight, you’ll need to accept an email or public link invitation from the developer and have a device that you can use to test. To build and sign a macOS PKG file for a third-party app, Download the certificate and install it on your macOS device to sign the packages. The Developer ID Installer certificate will be generated.

Upload the Certificate Signing Request, which was downloaded in the step mentioned above.

Click on Certificates + and select Developer ID Installer.

Click on Certificates > IDs > Profiles.

Either create a new account or sign in using an existing one.

To generate the Developer ID certificate:

Steps to generate Developer ID Installer certificate This file is required to generate the “Developer ID Installer” certificate. The signing request will be saved to your machine in the specified location. Specify the location on the device where the.Under the Request is option, click Saved to Disc.Add your email address in the User Email Address field and name in the Common Name field.Go to Certificate Assistant > Request a Certificate From a Certificate Authority.Click on Keychain Access appearing on the top menu bar.Open the “Keychain Access” program within your macOS device.To generate a certificate, first you require a Certificate Signing Request (CSR) file. Generate Developer ID Installer certificate.Signing a package is a multi-step process. Apps packaged in DMG/APP file formats can be easily converted to PKG format. You have to repackage these installation files from their native format for package deployment into PKG files.

For ios instal Flats