fluid-ws-java-client/src/main/java/com/fluidbpm/ws/client/v1/attachment/AttachmentClient.java
public Attachment forceDeleteAttachment(Attachment attachmentParam)
    {
        if(attachmentParam != null && this.serviceTicket != null)
        {
            attachmentParam.setServiceTicket(this.serviceTicket);
        }

        return new Attachment(this.postJson(
                attachmentParam,
                WS.Path.Attachment.Version1.attachmentDelete(true)));
    }
public Attachment forceDeleteAttachment(Attachment attachmentParam)
    {
        if(attachmentParam != null && this.serviceTicket != null)
        {
            attachmentParam.setServiceTicket(this.serviceTicket);
        }

        return new Attachment(this.postJson(
                attachmentParam,
                WS.Path.Attachment.Version1.attachmentDelete(true)));
    }
Forcefully Delete an existing Attachment.

Only 'admin' can forcefully delete a Attachment.

@param attachmentParam The Attachment to delete.
@return The deleted Attachment.