fab-manager/app/frontend/templates/admin/events/price_form.html

<div class="modal-header">
    <img ng-src="{{logoBlack.custom_asset_file_attributes.attachment_url}}" alt="{{logo.custom_asset_file_attributes.attachment}}" class="modal-logo"/>
    <h1 translate>{{ 'app.admin.events.price_category' }}</h1>
</div>
<div class="modal-body">
    <form role="form" name="priceCategoryForm" class="form-horizontal" novalidate autocomplete="off" ng-keydown="priceCategoryForm.$valid && $event.which == 13 && ok()">
        <div class="form-group" ng-class="{'has-error': priceCategoryForm.name.$dirty && priceCategoryForm.name.$invalid}">
            <div class="col-sm-12">
                <div class="input-group">
                    <span class="input-group-addon"><i class="fa fa-tag"></i></span>
                    <input type="text"
                           name="name"
                           ng-model="category.name"
                           class="form-control"
                           placeholder="{{ 'app.admin.events.category_name' | translate }}"
                           required />
                </div>
                <span class="help-block" ng-show="priceCategoryForm.name.$dirty && priceCategoryForm.name.$error.required" translate>{{ 'app.admin.events.category_name_is_required' }}</span>
            </div>
        </div>

        <div class="form-group" ng-class="{'has-error': priceCategoryForm.conditions.$dirty && priceCategoryForm.conditions.$invalid}">
            <div class="col-sm-12">
                <textarea ng-model="category.conditions"
                          rows="10"
                          class="form-control"
                          id="conditions"
                          placeholder="{{ 'app.admin.events.enter_here_the_conditions_under_which_this_price_is_applicable' | translate }}"
                          name="conditions"
                          required>
                </textarea>
                <span class="help-block" ng-show="priceCategoryForm.conditions.$dirty && priceCategoryForm.conditions.$error.required" translate>{{ 'app.admin.events.conditions_are_required' }}</span>
            </div>
        </div>
    </form>
</div>
<div class="modal-footer">
    <button class="btn btn-info" ng-click="ok()" ng-disabled="priceCategoryForm.$invalid" translate>{{ 'app.shared.buttons.confirm' }}</button>
    <button class="btn btn-default" ng-click="cancel()" translate>{{ 'app.shared.buttons.cancel' }}</button>
</div>