For snapshot run the following as root:
zypper addrepo https://download.opensuse.org/repositories/devel:Factory:git-workflow:staging:dheidler:element-desktop:1/snapshot/devel:Factory:git-workflow:staging:dheidler:element-desktop:1.repo
zypper refresh
zypper install element-desktop
For product nonfree run the following as root:
zypper addrepo https://download.opensuse.org/repositories/devel:Factory:git-workflow:staging:dheidler:element-desktop:1/product_nonfree/devel:Factory:git-workflow:staging:dheidler:element-desktop:1.repo
zypper refresh
zypper install element-desktop
For product run the following as root:
zypper addrepo https://download.opensuse.org/repositories/devel:Factory:git-workflow:staging:dheidler:element-desktop:1/product/devel:Factory:git-workflow:staging:dheidler:element-desktop:1.repo
zypper refresh
zypper install element-desktop