public Builder setEventBytes(
        com.google.protobuf.ByteString value) {
      if (value == null) { throw new NullPointerException(); }
      checkByteStringIsUtf8(value);
      event_ = value;
      bitField0_ |= 0x00000020;
      onChanged();
      return this;
    }
<code>string event = 6;</code>
@param value The bytes for event to set.
@return This builder for chaining.
examples/client/src/main/java/com/clickhouse/examples/protos/UIEvent.java