Conditions drive complex logic in the scripting, there are many different types of conditions.

Common Properties

All types of conditions have the listed variable:

conditionType

The type of Condition, all conditions have this variable, it defines what type of conditions it is.
Values: Any of the types listed under the heading "Condition Types", as a string (e.g. "And")

Condition Types

And

Passes only if all of the provided conditions pass

conditions

The Conditions to check, all must pass the check for the And Condition to pass.
Value: An array of Conditions.

Or

Passes if any of the provided conditions pass.

conditions

The Conditions to check, one or more must pass the check for the Or Condition to pass.
Value: An array of Conditions.

Not

Inverts the provided condition.

condition

The Condition to check, it must fail for the Not Condition to pass the check.
Value: A Condition.

Weather

Passes if the provided weather type matches the current moon's weather.

weather

The weather type.
Values: "DustClouds", "Eclipsed", "Flooded", "Foggy", "None", "Rainy", "Stormy"

PlayerLocation

Passes if the player you're controlling is in/at this location.

location

The location.
Values: "Ship", "Facility"

PlayerAlive

Passes if the player you're controlling is alive.

PlayerHealth

Passes if the health of the player you're controlling passes a given comparison.

comparisonType

The type of comparison.
Values: "Equals", "NotEquals", "GreaterThan", "LessThan", "GreaterThanOrEquals", "LessThanOrEquals"

value

The value to compare the health to.
Value: A valid integer. (Note: the player has 100 max health)

PlayerCrouching

Passes if the player you're controlling is crouching.

PlayerSprinting

Passes if the player you're controlling is sprinting.

PlayerStamina

Passes if the player you're controlling has an amount of stamina that passes a given comparison.

comparisonType

The type of comparison.
Values: "Equals", "NotEquals", "GreaterThan", "LessThan", "GreaterThanOrEquals", "LessThanOrEquals"

value

The stamina amount.
Value: a valid float. (0.0 to 1.0, 0 being minimum stamina, 1 being maximum stamina)

PlayerInsanity

Passes if the player you're controlling has an insanity that passes a given comparison.

comparisonType

The type of comparison.
Values: "Equals", "NotEquals", "GreaterThan", "LessThan", "GreaterThanOrEquals", "LessThanOrEquals"

level

The insanity level.
Value: a valid float. (0.0 to 1.0, 0 being minimum insanity, 1 being maximum insanity)

PlayerHasItem

Passes if the player you're controlling has an item with the given name.

itemName

The name of the item.
Value: a valid string. (e.g. "Flashlight")

checkNormalSlots

Which normal slots to check for the item.
Value: an array of integers.
Default: [0, 1, 2, 3]

checkBagsInNormalSlots

Which normal slots will have their belt bags checked for the item.
Value: an array of integers.
Default: [0, 1, 2, 3]

checkBeltSlot

Check the belt/utility slot for the item?
Value: true, false
Default: true.

checkBagInBeltSlot

Check for the item inside belt bags in the belt/utility slot?
Value: true, false
Default: true.

checkBagsInBagSlots

Check for the item inside belt bags that are in other belt bags? (I'm not even sure if this is possible in vanilla).
Value: true, false
Default: true.

PlayerHoldingItem

Passes if the player you're controlling is holding an item with the given name.

itemName

The name of the item.
Value: a valid string. (e.g. "Flashlight")

checkBags

Check for the item inside held belt bags?
Value: true, false
Default: false.

ShipLanded

Passes if the ship is currently landed.

ShipLeavingAlertCalled

Passes if the ship leaving alert has been called.

MusicWithTagPlaying

Passes if music with a specified tag is playing.

tag

The tag to look for.
Value: A valid string.

CurrentMoon

Passes if the current moon has the same name as the one specified (you can find the name of a moon by routing to it and seeing what it says on the monitor under "Orbiting").

moonName

The name of the moon in question.
Values: A valid string. (e.g. "41 Experimentation")

Timer

Passes if a set timer has passed a given threshold

timerName

The name of the timer.
Value: a valid string.

timeGoal

The threshold for the time to reach.
Value: a valid float.

resetsTimer

Should this condition reset the specified timer if it has reached the goal?
Value: true, false
Default: true

Random

Passes if a random number falls between 0 and the chosen number.

chance

The chance of this condition passing.
Value: a valid float. (0 to 1, 0 being a 0% chance, 1 being a 100% chance)

ApparatusDocked

Passes if the Apparatus exists and is docked.

TimeOfDay

Passes if the time of day passes a given comparison.

comparisonType

The type of comparison.
Values: "Equals", "NotEquals", "GreaterThan", "LessThan", "GreaterThanOrEquals", "LessThanOrEquals"

time

The normalised time.
Value: a valid float. (0 to 1, 0 being the start of the day, 1 being the end of the day)

FacilityInterior

Passes if the current interior has the same name as the one specified. All valid interior names are printed to the console if the given interior is not found.

interiorName

The name of the interior in question.
Value: A valid string. (e.g. "Mansion").
Accepts shorthand names for vanilla interiors:

PlayerCount

Passes if the amount of [query] players passes a given comparison.

comparisonType

The type of comparison.
Values: "Equals", "NotEquals", "GreaterThan", "LessThan", "GreaterThanOrEquals", "LessThanOrEquals"

queryType

The type of query.
Values: "Total", "Alive", "Dead"

count

The amount of players.
Value: a valid integer.

PlayersAlivePercent

Passes if the percent of living players passes a given comparison.

comparisonType

The type of comparison.
Values: "Equals", "NotEquals", "GreaterThan", "LessThan", "GreaterThanOrEquals", "LessThanOrEquals"

percent

The percent of living players.
Value: a valid float. (0.0 to 1.0)