PowerDynamics read each vector from simulation

PowerDynamics.ju,
Example_node_construction.ju

I get solution = simulate(fault1, powergrid, operationpoint, timespan)
How read own vector from solution?

I try determin type
julia> typeof(solution1)
PowerDynamics.PowerGridSolution
This didn’t help me.

For example in another package PowerSimulationsDynamics I found a command to extract results as vectors
results = read_results(sim)