If you get Universal Credit, you must sign a claimant commitment.
Can I get universal credit on an apprenticeship?
You should not be asked to conduct any work-related tasks if you undertake an apprenticeship for more than 30 hours per week. This means you won’t have to look for new employment or go to Jobcentre appointments and you will still receive universal credit.
Suppose you have childcare or caring responsibilities or have a sickness or disability that makes working 30 hours per week problematic. In that case, you may not be compelled to do any job-related activity, even if your apprenticeship is for less than 30 hours per week.
If you perform an apprenticeship for less than 30 hours per week and do not fall into one of the groups allowed to work fewer hours, your work coach may encourage you to engage in job-related activities. It would help if you tried hard to convince your work coach that your apprenticeship will help you get more and better employment in the future.