You need a Bannerlord mod that adds a console line to the game. After installing it and activating the console with the ~ key, enter one of the console commands below.
Add gold : campaign.add_gold_to_hero N
Level up: campaign.add_skill_xp_to_hero
Increase influence : campaign.add_influence N
Increase fame (fame) : campaign.add_renown_to_clan N
Add Focus Points: campaign.add_focus_points_to_hero N
List of IDs of all units : campaign.give_troops help
Add desired unit to squad : campaign.give_troops [Enter ID from command above] N
Instead of N, enter the desired value.
Show list of active quests : campaign.list_active_quests
Complete current mission : campaign.complete_active_quest
Cancel active quest : campaign.cancel_active_quest
Conceive a child (if you are not married, then automatically make it with a random character) : campaign.conceive_child