alfresco-ng2-components/lib/process-services/attachment/process-attachment-list.component.html

<adf-datatable  [rows]="attachments" 
                [actions]="true" 
                [loading]="isLoading" 
                (rowDblClick)="openContent($event)" 
                (showRowActionsMenu)="onShowRowActionsMenu($event)"
                (executeRowAction)="onExecuteRowAction($event)">

                <no-content-template>
                    <ng-template>
                        <ng-content *ngIf="hasCustomTemplate; else defaulEmptyList" class="adf-custom-empty-template"></ng-content>
                        <ng-template #defaulEmptyList>
                            <adf-empty-list>
                                <div adf-empty-list-header class="adf-empty-list-header">
                                    {{'ADF_PROCESS_LIST.PROCESS-ATTACHMENT.EMPTY.HEADER' | translate}}
                                </div>
                            </adf-empty-list>
                        </ng-template>
                    </ng-template>
                </no-content-template>

    <data-columns>
        <data-column key="icon" type="image" srTitle="ADF_PROCESS_LIST.PROPERTIES.THUMBNAIL" [sortable]="false"></data-column>
        <data-column key="name" type="text" title="{{'ADF_PROCESS_LIST.PROPERTIES.NAME' | translate}}" class="adf-full-width adf-ellipsis-cell" [sortable]="true"></data-column>
        <data-column key="created" type="date" format="shortDate" title="{{'ADF_PROCESS_LIST.PROPERTIES.CREATED' | translate}}"></data-column>
    </data-columns>

    <loading-content-template>
        <ng-template>
            <!--Add your custom loading template here-->
            <mat-progress-spinner class="adf-attachment-list-loading-margin" [color]="'primary'" [mode]="'indeterminate'">
            </mat-progress-spinner>
        </ng-template>
    </loading-content-template>

</adf-datatable>