<Employees>
    <GlobalSettings>
        <AddNewUpdateExistingOnly>Y</AddNewUpdateExistingOnly>
        <UseAltEmplNumber>N</UseAltEmplNumber>
        <NewEmployeePosUser>Y</NewEmployeePosUser>
    </GlobalSettings>
    <UpdateEmployee>
        <EmployeeNumber>{{employee_id}}</EmployeeNumber>
        {%- if first_name is not none %}
        <FirstName>{{first_name}}</FirstName>
        {%- endif %}
        {%- if last_name is not none %}
        <LastName>{{last_name}}</LastName>
        {%- endif %}
        {%- if middle_name is not none %}
        <MiddleInitial>{{middle_name}}</MiddleInitial>
        {%- endif %}
        {%- if birthday is not none %}
        <DateOfBirth>{{birthday}}</DateOfBirth>
        {%- endif %}
        {%- if phone is not none %}
        <Phone>{{phone}}</Phone>
        {%- endif %}
        {%- if payroll_id is not none %}
        <AltEmplNumber>{{payroll_id}}</AltEmplNumber>
        {%- endif %}
        {%- if start_date is not none %}
        <DateHired>{{start_date}}</DateHired>
        {%- endif %}
    </UpdateEmployee>
</Employees>