@java.lang.Override
    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(payload_)) {
        com.google.protobuf.GeneratedMessageV3.writeString(output, 1, payload_);
      }
      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(context_)) {
        com.google.protobuf.GeneratedMessageV3.writeString(output, 2, context_);
      }
      if (((bitField0_ & 0x00000001) != 0)) {
        output.writeMessage(3, getStackTrace());
      }
      getUnknownFields().writeTo(output);
    }
<pre>
Stack trace with detailed information of where error was generated.
</pre>

<code>.google.cloud.workflows.executions.v1.Execution.StackTrace stack_trace = 3;</code>
java-workflow-executions/proto-google-cloud-workflow-executions-v1/src/main/java/com/google/cloud/workflows/executions/v1/Execution.java