Return value#

Type Meaning
none (MD action) Types describe the declared interface, not proof of a successful game effect.

Types and methods

XML attributes#

How schema types work

libraries/common.xsd

Attribute Schema type Required Default / fixed
chance expression no not declared
weight expression no not declared
comment comment no not declared
name lvaluename no not declared
groupname groupname no not declared
macro macroname no not declared
group namestring no not declared
ref expression no not declared
capturable booleanexpression no not declared
sellable booleanexpression no not declared
dock expression no not declared
state componentstateexprlookup no not declared
missioncue expression no not declared
commandeerable booleanexpression no not declared
zone expression no not declared
sector expression no not declared
seed fixedrandomseed no not declared
autoadvanceseed autoadvancerandomseed no not declared

An MD action can write to a named variable or change the world. This is not a Lua return value. The output variable depends on the action and its attributes.

Example and context#

See language basics, types and methods and Lua / MD events. Examples there are independent learning examples. No project source files or private implementation fragments are distributed with this reference.