Reference - Markerlights

In the Roll Attack Dice step of that shooting attack, you can re-roll one of your attack dice.

For that shooting attack, the active operative's ranged weapons gain the No Cover special rule.

For that shooting attack, improve the Ballistic Skill characteristic of ranged weapons the active operative is equipped with by 1.

In the Select Valid Target step of that shooting attack, the enemy operative is not Obscured.

In the Select Valid Target step of that shooting attack, the enemy operative is treated as if it has an Engage order unless it's in Cover provided by Heavy terrain.

Operatives gain Markerlight tokens as specifed by the Markerlight action. In the Ready Operatives step of each Initiative phase, remove one Markerlight token that each operative has.

Each time a friendly PATHFINDER operative makes a shooting attack, it gains a number of cumulative benefits for that shooting attack depending on how many Markerlight tokens the target operative has. Operatives gain no Markerlight benefits for shooting attacks made with EMP and fusion grenades.