I need help with xml for my programming work interview

Description 1 Add a field in the xml below ‘Known As’ name called Display name Write pseudo code to automatically populate the field with the following logic: First Name + Middle Name + Last Name. If Known As is completed it should replace First Name 2 Update the instruction heading, Personal Information, in the xml to align to the sample below. Note: Use HTML to update the look and feel in the CDATA element (<![CDATA[Personal Information]]>) Sample 3 Add the question below to the candidate application xml. 4 The ‘Current location’ field should only show when the answer to requirement 3 is Yes. Write pseudo code to achieve this