If an interpreter is not specified, the
source is executed directly. This execution, without an
interpreter, only succeeds for executables and scripts that have <a
href="https://en.wikipedia.org/wiki/Shebang_(Unix)";
class="external">shebang lines</a>.
Powershell
Indicates that the script runs with PowerShell.
Shell
Indicates that the script runs with /bin/sh on Linux and
cmd.exe on Windows.
Unspecified
Invalid value, the request will return validation error.