Special Circumstances
Source GM Core pg. 12
The player characters in your group will at times attempt tasks that should be easier or harder than the rules or adventure would otherwise lead you to expect, such as a PC Gathering Information on their home world. In these cases, you can just apply a circumstance bonus or penalty. Usually, this is +1 or –1 for a minor but significant circumstance, but you can adjust this bonus or penalty to +2 or –2 for a major circumstance. The maximum bonus or penalty, +4 or –4, should apply only if someone has an overwhelming advantage or is trying something extremely unlikely but not quite impossible.
You can also add traits to actions. Let's say that during a fight against a security robot in a mechanic's garage, Obozaya Interacts to give the blades of her doshko an electric charge using jumper cables and a nearby hovercar. You could add the electricity trait to her next Strike so Obozaya can take advantage of the security robot's weakness to electricity. A PC getting an advantage in this way should usually have to use an action to do so, so Obozaya would get the benefit for one attack, but to do it again she'd need to use the jumper cables once more.
You can also add traits to actions. Let's say that during a fight against a security robot in a mechanic's garage, Obozaya Interacts to give the blades of her doshko an electric charge using jumper cables and a nearby hovercar. You could add the electricity trait to her next Strike so Obozaya can take advantage of the security robot's weakness to electricity. A PC getting an advantage in this way should usually have to use an action to do so, so Obozaya would get the benefit for one attack, but to do it again she'd need to use the jumper cables once more.