Variables in Signature HTML Hyperlink

Infos:

  • Used Zammad version: 5.2.X
  • Used Zammad installation type: package
  • Operating system: Ubuntu 20
  • Browser + version: Chrome

Expected behavior:

There should be a way to create a signature with an HTML link where the link uses zammad variables.
Example:
To create a survey link that accepts GET parameters populated by zammad variables.
<a href=“survey.example.com/?sid=1&agent_first_name=#{user.firstname}&agent_last_name=#{user.lastname}”>Leave Me Feedback</a>
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Actual behavior:

Curly Braces are replaced with their uri_encoded equivalents.
“{” becomes %7B and “}” becomes %7D.
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Steps to reproduce the behavior:

Create a signature with an HTML link where some of the GET parameters are defined by Zammad variables.
Observe the curly braces are replaced.
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