Have a look at our ESA/UC Claim guide on the following link there is a WCA Handbook dated February 2019 which is a 254 page guide to carrying out work capability assessments for use by healthcare professionals, there is also lots of other information in the Members only Guides section, if you have any specific questions then come back to the forum. www.benefitsandwork.co.uk/help-for-claimants/esa1
Gary
Nothing on this board constitutes legal advice - always consult a professional about specific problems