tra_backend/ohrms_salary_advance/views/salary_structure.xml

<?xml version="1.0" encoding="UTF-8"?>
<odoo>
    <data>
        <!-- advance salary rule -->
        <record id="hr_payslip_rule_advance" model="hr.salary.rule">
            <field name="code">SAR</field>
            <field name="name">Advance Salary</field>
            <field name="category_id" ref="hr_payroll_community.DED"/>
            <field name="amount_select">code</field>
            <field name="amount_python_compute">result = inputs.SAR and - (inputs.SAR.amount)</field>
            <field name="appears_on_payslip" eval="True"/>
            <field name="sequence" eval="190"/>
        </record>

        <record id="hr_rule_input_advance" model="hr.rule.input">
            <field name="code">SAR</field>
            <field name="name">Salary Advance</field>
            <field name="input_id" ref="hr_payslip_rule_advance"/>
        </record>
        <!-- salary structure -->
<!--        <record model="ir.ui.view" id="model_salary_structure">-->
<!--            <field name="name">salary.structure.form</field>-->
<!--            <field name="model">hr.payroll.structure</field>-->
<!--            <field name="inherit_id" ref="hr_payroll_community.view_hr_employee_grade_form"/>-->
<!--            <field name="arch" type="xml">-->
<!--                <xpath expr="//field[@name='parent_id']" position="after">-->
<!--                    <field name="max_percent"/>-->
<!--                    <field name="advance_date"/>-->
<!--                </xpath>-->
<!--            </field>-->
<!--        </record>-->
    </data>
</odoo>