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
object object yes not declared
category unitcategorylookup no not declared
mk expression no not declared
tags expression no not declared
macro expression no not declared
faction factionexprlookup no not declared
unavailable booleanexpression no not declared
exact expression no not declared
list expression no not declared
min expression no not declared
max expression no not declared
profile profilelookup no not declared
scale inline:add_units@scale 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.