Blueprints Visual Scripting for Unreal Engine - Second Edition

Maps

There is another type of container: a map. A map uses a key-value pair to define each element. The key type can be different from the value type. A map is unordered and is searched by using the key value, so duplicate keys are not allowed.

To create a map, first, create a variable, click the icon next to the Variable Type drop-down menu, and select the icon of a map, as shown in the next screenshot. After that, you need to choose the key type on the left and the value type on the right. The example in the screenshot uses String as the key type and Float as the value type:

Just like any other new variable in Blueprints, it is necessary ...