diff --git a/action.yml b/action.yml
index 2cce959..c9ba406 100644
--- a/action.yml
+++ b/action.yml
@@ -25,6 +25,9 @@ inputs:
   show-headers:
     description: "Show headers for each subsection in the summary (if not set, headers are hidden)"
     required: false
+  enable-logging:
+    description: "If set, then logging of the Checks Output JSON parameters is enabled. By default, logging is disabled."
+    required: false
   max-warning-annotations:
     description: "Limit the number of warning annotations at specific lines. By default, all annotations are created."
     required: false
@@ -42,6 +45,7 @@ runs:
     GITHUB_API_URL: ${{ inputs.github-api-url }}
     SKIP_ANNOTATIONS: ${{ inputs.skip-annotations }}
     SHOW_HEADERS: ${{ inputs.show-headers }}
+    ENABLE_LOGGING: ${{ inputs.enable-logging }}
     MAX_WARNING_ANNOTATIONS: ${{ inputs.max-warning-annotations }}
     MAX_COVERAGE_ANNOTATIONS: ${{ inputs.max-coverage-annotations }}
 
diff --git a/src/main/java/edu/hm/hafner/grading/github/QualityMonitor.java b/src/main/java/edu/hm/hafner/grading/github/QualityMonitor.java
index 7cec8a0..bdb7313 100644
--- a/src/main/java/edu/hm/hafner/grading/github/QualityMonitor.java
+++ b/src/main/java/edu/hm/hafner/grading/github/QualityMonitor.java
@@ -2,6 +2,12 @@
 
 import org.apache.commons.lang3.StringUtils;
 
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.MapperFeature;
+import com.fasterxml.jackson.databind.SerializationFeature;
+import com.fasterxml.jackson.databind.json.JsonMapper;
+
 import edu.hm.hafner.grading.AggregatedScore;
 import edu.hm.hafner.grading.AutoGradingRunner;
 import edu.hm.hafner.grading.GradingReport;
@@ -144,6 +150,18 @@ private void addComment(final AggregatedScore score, final String textSummary,
 
             check.add(output);
 
+            if (!getEnv("ENABLE_LOGGING", log).isEmpty()) {
+                var mapper = JsonMapper.builder().configure(MapperFeature.ACCEPT_CASE_INSENSITIVE_ENUMS, true).build()
+                        .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
+                        .configure(SerializationFeature.INDENT_OUTPUT, true);
+                try {
+                    log.logInfo("Output JSON parameters:%n%s", mapper.writeValueAsString(output));
+                }
+                catch (JsonProcessingException exception) {
+                    // ignore
+                }
+            }
+
             var checksResult = createChecksRun(log, check);
 
             var prNumber = getEnv("PR_NUMBER", log);