in aws-codedeploy-server/src/main/java/jetbrains/buildServer/runner/codedeploy/CodeDeployRunType.java [108:114]
public String describeParameters(@NotNull Map<String, String> parameters) {
final Map<String, String> invalids = ParametersValidator.validateSettings(parameters);
return
invalids.isEmpty() ?
STEP_LABELS.get(CodeDeployUtil.getDeploymentSteps(parameters)) + " application revision" :
CodeDeployUtil.printStrings(invalids.values());
}