public com.google.cloud.workflows.executions.v1.Execution.StackTrace getStackTrace() {
        if (stackTraceBuilder_ == null) {
          return stackTrace_ == null
              ? com.google.cloud.workflows.executions.v1.Execution.StackTrace.getDefaultInstance()
              : stackTrace_;
        } else {
          return stackTraceBuilder_.getMessage();
        }
      }
<pre>
Stack trace with detailed information of where error was generated.
</pre>

<code>.google.cloud.workflows.executions.v1.Execution.StackTrace stack_trace = 3;</code>

@return The stackTrace.
java-workflow-executions/proto-google-cloud-workflow-executions-v1/src/main/java/com/google/cloud/workflows/executions/v1/Execution.java