Code:
<?xml version="1.0" encoding="utf-8"?>
<GameData>
<Types>
<Row Type="TRAIT_CIVILIZATION_FEB_POLYNESIA_NAVIGATION" Kind="KIND_TRAIT"/>
</Types>
<Traits>
<Row TraitType="TRAIT_CIVILIZATION_FEB_POLYNESIA_NAVIGATION" Name="LOC_TRAIT_CIVILIZATION_FEB_POLYNESIA_NAME" Description="LOC_TRAIT_CIVILIZATION_FEB_POLYNESIA_DESCRIPTION"/>
</Traits>
<TraitModifiers>
<Row>
<TraitType>TRAIT_CIVILIZATION_FEB_POLYNESIA_NAVIGATION</TraitType>
<ModifierId>TRAIT_FEB_POLYNESIA_NAVIGATION</ModifierId>
</Row>
</TraitModifiers>
<Modifiers>
<Row>
<ModifierId>TRAIT_FEB_POLYNESIA_NAVIGATION</ModifierId>
<ModifierType>MODIFIER_PLAYER_UNITS_ADJUST_VALID_TERRAIN</ModifierType>
</Row>
</Modifiers>
<ModifierArguments>
<Row>
<ModifierId>TRAIT_FEB_POLYNESIA_NAVIGATION</ModifierId>
<Name>TerrainType</Name>
<Value>TERRAIN_COAST</Value>
</Row>
<Row>
<ModifierId>TRAIT_FEB_POLYNESIA_NAVIGATION</ModifierId>
<Name>Valid</Name>
<Value>true</Value>
</Row>
</ModifierArguments>
</GameData>