This involves working in an approved, learning situation; under direction of a qualified supervisor; gaining useful knowledge and skills that are relevant to your studies.While this may typically involve 100 hrs; it can in some instances be less or more (Different courses may vary in hours required).
Details are supplied to the student when required, usually later in their course of studies.
Every student is treated individually; hence it is difficult to say too much about what is required until the student gets to the stage of needing to meet this requirement.