the module hasn’t doc yet.
current_design
get_ports
all_inputs
all_outputs
get_cells
get_pins
get_nets
get_libs
get_lib_cells
get_lib_pins
all_registers
get_clocks
all_clocks
create_clock
set_drive
set_driving_cell
set_fanout_load
set_input_transition
set_load
set_port_fanout_number
set_input_delay
set_output_delay
set_logic_dc
set_logic_one
set_logic_zero
set_case_analysis
remove_case_analysis
set_max_capacitance
set_min_capacitance
set_max_fanout
set_max_transition
set_false_path
set_max_delay
set_min_delay
set_multicycle_path
set_max_area
create_generated_clock
set_clock_latency
set_clock_uncertainty
set_clock_transition
set_wire_load_model
set_wire_load_mode
set_wire_load_selection_group
set_clock_gating_check
set_sense
set_data_check
set_disable_timing
set_clock_groups
set_min_pulse_width
set_max_time_borrow
set_wire_load_min_block_size
set_ideal_network
set_ideal_latency
set_ideal_transition
set_propagated_clock
set_resistance
set_timing_derate
group_path
update_timing
characterize
write_sdc
remove_propagated_clock
set_disable_clock_gating_check
set_operating_conditions
set_units
set_hierarchy_separator
report_clock_fanout