In order to add the custom header, you need to have the sequence open and follow the next steps:
1. Right-click in the Sequences pane and select
Sequence File Callbacks...2. Select the
ModifyReportHeader Callback, then click
Add.
3. Click OK to dismiss the dialog. Notice that a new ModifyReportHeader sequence has been created in the Sequences pane.
4. Select the ModifyReportHeader sequence. Notice that the ModifyReportHeader contains the ReportHeaderPrefix parameter, as shown below.
4. Add a statement step to dynamically change the value of the ReportHeaderPrefix, there is where you are going to add your custom header, you can use HTML5 and CSS tags to change the appearance of the header. For example, this expression creates a header with the word "Classified" in red:
Replace (Parameters.ReportHeaderPrefix,0,0, "<h1><center><code style='color:red;'>Classified</code></center></h1>")