units() units() : \Illuminate\Database\Eloquent\Relations\HasMany Return units belonging to this activity Returns \Illuminate\Database\Eloquent\Relations\HasMany
studyField() studyField() : \Illuminate\Database\Eloquent\Relations\BelongsTo Return studyfield this activity belongs to Returns \Illuminate\Database\Eloquent\Relations\BelongsTo
author() author() : \Illuminate\Database\Eloquent\Relations\BelongsTo Return author of this activity Returns \Illuminate\Database\Eloquent\Relations\BelongsTo