Hello , 

You can implement the code below:

<field name="One2manyfield">
    <tree>
        <control>
            <create name="add_product_control" string="Add a product"/>
            <create name="add_section_control" string="Add a section" />
            <create name="add_note_control" string="Add a note" />
         </control>

        <field name="name"/>
       
    </tree>
</field>