Adjusting the header height in relation to the length of the content in a field.

Based on the content length we can adjust the header height. This will be helpful in label creation using advanced PDF template. Code is provided below:

<#assign headerHeight = "35%"> <!-- Default header height -->
        <#assign content = record.otherrefnum> <!-- assigning the field to the variable content-->
<#assign contentLength = content?length> <!-- getting the length of content and assigned to the variable contentlength--> 
<#if contentLength = 0>
  <#assign headerHeight = "27%">
<#elseif contentLength lt 20>
    <#assign headerHeight = "35%">
<#elseif contentLength lt 40>
    <#assign headerHeight = "43%">
<#elseif contentLength gt 40>
  <#assign headerHeight = "51%">
</#if>

<body header="nlheader" header-height= "${headerHeight}" footer="nlfooter" footer-height="88pt" padding="0.2in 0.2in 0.2in 0.2in" width="4in" height="6in">

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