For SLE 15 SP3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/devel:sap:hawk:SLE-15/SLE_15_SP3/devel:sap:hawk:SLE-15.repo
zypper refresh
zypper install hawk2
For SLE 15 SP2 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/devel:sap:hawk:SLE-15/SLE_15_SP2/devel:sap:hawk:SLE-15.repo
zypper refresh
zypper install hawk2
For SLE 15 SP1 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/devel:sap:hawk:SLE-15/SLE_15_SP1/devel:sap:hawk:SLE-15.repo
zypper refresh
zypper install hawk2