If you're signing, it should be read from your cert. Theoretically it's possible to provide it without a cert, if the right key is present in the module.xml file, but our Gradle plugin doesn't appear to provide you any way to actually set that key.
If you're signing, it should be read from your cert. Theoretically it's possible to provide it without a cert, if the right key is present in the module.xml file, but our Gradle plugin doesn't appear to provide you any way to actually set that key.