in aws-codedeploy-server/src/main/java/jetbrains/buildServer/runner/codedeploy/CodeDeployDeploymentStatusProvider.java [104:111]
private Map<String, String> getParameters(@NotNull SRunningBuild build) {
final BuildPromotionEx buildPromotion = (BuildPromotionEx) build.getBuildPromotion();
final String step = (String) buildPromotion.getAttribute(BuildAttributes.BUILD_DETACHED_FROM_AGENT_AT_STEP);
assert step != null;
final SBuildStepDescriptor runner = buildPromotion.getBuildSettings().getBuildRunners().stream().filter(r -> step.equals(r.getId())).findFirst().orElse(null);
assert runner != null;
return runner.getParameters();
}