Very good, this is the value of 'start', right out of the JSON-data
This is the first value of key in the 'level1'-array
11111
This is the second value of key in the 'level1'-array
222
This is the third value of key in the 'level1'-array
33333333
This is the fourth value of key in the 'level1'-array
4444
Maandag
Fitness (08:00-12:00): Fitness zaal
Kinderopvang (09:00-10:30): Kinderopvang
Bodyshape (09:00-10:00): Aerobic zaal
Core mobility training (10:00-10:15): PT zaal
Yin Yoga (10:00-11:00): Yoga zaal
Fit en Vitaal (10:00-11:00): Aerobic zaal
Yin Yoga (11:15-12:15): Yoga zaal
Fitness (16:00-19:30): Fitness zaal
Yin Yoga (19:00-20:00): Yoga zaal
Pilates (19:00-20:00): Aerobic zaal
Spinning (19:30-20:30): Spinning zaal
Fitness (19:30-20:30): Fitness zaal
Bootcamp (19:30-20:30): Outdoor
Bodyshape (20:00-21:00): Aerobic zaal
Core mobility training (20:15-20:30): PT zaal
Hatha yoga (20:15-21:15): Yoga zaal
Fitness (20:30-22:00): Fitness zaal

Dinsdag
Fitness (08:00-12:00): Fitness zaal
Barbell (09:00-10:00): Aerobic zaal
Kinderopvang (09:00-10:30): Kinderopvang
Core mobility training (10:00-10:15): PT zaal
Pilates (10:15-11:15): Aerobic zaal
Fitness (16:00-22:00): Fitness zaal
Barbell (19:00-20:00): Aerobic zaal
Circuit (19:30-20:00): PT zaal
Zumba (20:00-21:00): Aerobic zaal
Spinning (20:10-21:10): Spinning zaal
Core mobility training (20:15-20:30): PT zaal

Woensdag
Fitness (08:00-12:00): Fitness zaal
Kinderopvang (09:00-10:30): Kinderopvang
Bodyshape (09:00-10:00): Aerobic zaal
Core mobility training (10:00-10:15): PT zaal
Yin Yoga (10:15-11:15): Yoga zaal
Fit en Vitaal (10:15-11:15): Aerobic zaal
Fitness (16:00-22:00): Fitness zaal
Bodyshape (19:00-20:00): Aerobic zaal
Yin Yoga (19:00-20:00): Yoga zaal
Circuit (19:30-20:00): PT zaal
Spinning (19:30-20:30): Spinning zaal
Core mobility training (20:15-20:30): PT zaal

Donderdag
Fitness (08:00-12:00): Fitness zaal
Kinderopvang (09:00-10:30): Kinderopvang
Bodyshape (09:00-10:00): Aerobic zaal
Core mobility training (10:00-10:15): PT zaal
Yin Yoga (10:00-11:00): Yoga zaal
Fitness (16:00-22:00): Fitness zaal
Yoga Balance (19:00-20:00): Yoga zaal
HIIT (19:00-19:45): Aerobic zaal
Bootcamp (19:30-20:30): Outdoor
Spinning (19:30-20:30): Spinning zaal
Core mobility training (20:15-20:30): PT zaal
Hatha Flow Yoga (20:15-21:15): Yoga zaal

Vrijdag
Fitness (08:00-12:00): Fitness zaal
Spinning (09:00-10:00): Spinning zaal
Kinderopvang (09:00-10:30): Kinderopvang
Bodyshape (09:00-10:00): Aerobic zaal
Core mobility training (10:00-10:15): PT zaal
Yin Yoga (10:00-11:00): Yoga zaal
Pilates (10:15-11:15): Aerobic zaal
Fitness (16:00-21:00): Fitness zaal
Ride to the beat (19:00-20:00): Spinning zaal
Circuit (19:30-20:00): PT zaal
Core mobility training (20:15-20:30): PT zaal

Zaterdag
Fitness (09:00-12:00): Fitness zaal
HIIT (09:15-10:00): Aerobic zaal
Core mobility training (10:30-10:45): PT zaal

Zondag
Fitness (09:00-13:00): Fitness zaal
Pilates (09:15-10:15): Aerobic zaal
Spinning (10:00-11:00): Spinning zaal
Circuit (10:30-11:00): PT zaal
Core mobility training (11:15-11:30): PT zaal

EMPTY api-answer: No JSON received - is the API down? Check the URL you use in the shortcode!
twoaa
bb}AAthree{3:ifNotEmptyAddRight:BB
2025 Resident Population by County (Thousands of Persons), Annual
=
We have a Problem with JSON here:
Either we got no JSON from the API. Or the basenode-parameter is not ok.
Switch on the Debugmode of the Plugin!