{{for quotation in quotations:}}
...
amount: '{{=quotation.amount}}',
convert: '{{if has_products(quotation.id):}}{{=BUTTON(T("Convert to order"), _class="fancy-grid-column-action-item btn-edit", _onclick="convertOrder(quotation.id)")}}{{pass}}',
},
{{pass}}
<button class="fancy-grid-column-action-item btn-edit" onclick="convertOrder(quotation.id)" id="fancy-gen-34">Convertir a orden</button>