yes it is EYFS as that's the statutory framework with standards in that all registered settings are expected to follow. Following EYFS in England's settings also ensures that the NOS - national occupational standards are complied with.
It'll help if you can get a copy of your work contract or a job description plus any duties or responsibilities that you're expected to carry out.
This thread has a list of the
NOS national occupational standard titles that you can see might apply to you and your work - they won't all necessary apply.
Searching on silkysteps finds other peoples replies and a
book for SHC 32 is really helpful.
This is what I did
Common core standards or best practice - helped me to explain how I'm to try and develop any weak areas that I discover while experiencing the children’s capabilities, for example dealing with discrimination and challenging behaviour.