tryton/view/opportunity_form.xml

<?xml version="1.0"?>
<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
this repository contains the full copyright notices and license terms. -->
<form col="6">
    <label name="party"/>
    <field name="party"/>
    <label name="contact"/>
    <field name="contact"/>
    <label name="number"/>
    <field name="number"/>

    <label name="address"/>
    <field name="address" colspan="3"/>
    <newline/>

    <label name="description"/>
    <field name="description" colspan="3"/>
    <label name="reference"/>
    <field name="reference"/>

    <label name="amount"/>
    <field name="amount"/>
    <label name="conversion_probability"/>
    <group id="conversion_probability">
        <field name="conversion_probability" factor="100" xexpand="0"/>
        <label name="conversion_probability" string="%"
            xalign="0.0" xexpand="1"/>
    </group>

    <notebook colspan="6">
        <page string="Lead/Opportunity" id="opportunity">
            <label name="company"/>
            <field name="company"/>
            <newline/>
            <label name="employee"/>
            <field name="employee"/>
            <label name="converted_by"/>
            <field name="converted_by"/>
            <label name="start_date"/>
            <field name="start_date"/>
            <label name="end_date"/>
            <field name="end_date"/>
            <label name="payment_term"/>
            <field name="payment_term"/>
            <separator name="comment" colspan="4"/>
            <field name="comment" colspan="4"/>
            <separator name="lost_reason" colspan="4"/>
            <field name="lost_reason" colspan="4"/>
        </page>
        <page name="lines">
            <field name="lines"/>
        </page>
        <page name="sales">
            <field name="sales" colspan="4"/>
        </page>
    </notebook>
    <label name="state"/>
    <field name="state"/>
    <group col="-1" colspan="4" id="buttons">
        <button name="cancel" icon="tryton-cancel"/>
        <button name="lost" icon="tryton-cancel"/>
        <button name="lead" icon="tryton-back"/>
        <button name="opportunity" icon="tryton-forward"/>
        <button name="convert" icon="tryton-forward"/>
    </group>
</form>