Write a very short cover letter in British English to Sheffield Teaching Hospitals NHS Foundation Trust for the job below that I found on jobsincare.com 

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                                                    Security Officer (Healthcare) with Sheffield Teaching Hospitals NHS Foundation Trust in Sheffield

                                                     We have 5 part time positions available in the Security Team at Sheffield Teaching Hospitals, each averaging 21.25 hrs per week. The post holder will be on a rota providing cover afternoons and nights, primarily supporting our E&D department. Afternoon shifts are 2pm to 10pm and nights are 10pm to 6am.   You will be an integral part of both the existing security team but also the Emergency Department. We are looking for individuals who want to be part of the service and they must be able to demonstrate compassion & customer care skills.    Full training and support will be provided for all aspects of the role and that will include MAYBO.   We can guarantee that each day is different. You will be patrolling, observing patients or just a reassuring presence within the department for staff, visitors and patients.   Key to your success in the post is that you recognise the majority of incidents you will respond to, involve patients and it is highly likely that they are not deliberately causing the need for securities involvement. A strong adherence and demonstration of the PROUD values of the Trust are required.   After initial shortlisting we will invite candidates to an informal open day. The informal open day will be meeting colleagues, security managers, gain greater knowledge of the post and receive a site tour.   At the conclusion of the open day, we will finalise the shortlisting for formal interview and successful candidates will receive an invite for that interview.     Maintaining a highly visible deterrent by patrolling of hospital sites on foot. In doing this checking all property and land associated with the Trust is secure and free of hazard.   Carryout Control room duties including monitoring of CCTV when providing cover for Control Room staff.   Unlocking and locking of departments and taking off and resetting alarms as required either as routine or one off requirements, following site specific procedures, including for pre-arranged contractor works.   Escort and protect staff as required to maintain safety and security of staff, premises and equipment.   Collection and /or delivery of cash/cash boxes as instructed.   Logging of lost property handed into security and creating and maintaining an appropriate audit log of that property.   Receipt/issue of stores/equipment.   To ensure that all patients, staff and visitors are courteously received and assisted.   Security marking of Trust equipment.   Assisting with mortuary duties out of hours.   Digital lock codes and maintaining records.     About us  Please view the attached Job Description and Person Specification documents for full details regarding this post.   When completing your application please ensure that you clearly demonstrate how you meet the role criteria.   Previous applicants need not apply.