found_capital_of_rus_scripted_effect

found_capital_of_rus_scripted_effect = {
	#Reward fame to compensate for reduced development gain.
	scope:new_rus_capital.holder = {
		add_prestige_experience = major_prestige_gain
	}
	scope:new_rus_capital = {
		#Boost local development a few levels; majority of development gain is handled in the modifiers now.
		if = {
			limit = { development_level < 5 }
			change_development_level = {
				value = 5
				subtract = scope:new_rus_capital.development_level
			}
		}
		else_if = {
			limit = { development_level < 8 }
			change_development_level = {
				value = 8
				subtract = scope:new_rus_capital.development_level
			}
		}
		else_if = {
			limit = { development_level < 12 }
			change_development_level = {
				value = 12
				subtract = scope:new_rus_capital.development_level
			}
		}
		#If control is less than full, boost it to full.
		if = {
			limit = { county_control < full_county_control }
			change_county_control = 100
		}
		#Add county modifier giving solid opinion for a decent chunk of time.
		add_county_modifier = {
			modifier = capital_of_rus_opinion_modifier
			years = 20
		}
		#Add county modifier giving intense benefits for a century.
		add_county_modifier = {
			modifier = capital_of_rus_misc_benefits_modifier
			years = 100
		}
		#If this county isn't the de jure capital of e_russia, make it so.
		if = {
			limit = {
				NOT = { this = title:e_russia.title_capital_county }
			}
			title:e_russia = { set_capital_county = scope:new_rus_capital }
		}
	}
}

As written in game/common/scripted_effects/01_dlc_fp1_scripted_effects.txt.