button.html

<div>
    <validation-tip></validation-tip>
    <button class="button button_big button_positive" type="submit" data-validation-tip
            data-ng-click="saveStep1(DocumentForm)"
            data-ng-class="{'button_disable': isInvalidForm(DocumentForm),
                            'button_preload': InventoryModel.sending}"
            data-qa="Asset.Step1.Save">
        {{ InventoryModel.submitBtnTitle }}
    </button>
</div>