SetMember

• Action Code: 0x1d
• Stack: 3 → 0
• SWF version: 5

Note: There is a typo in the step 2 of Adobe's documentation: "object name" should be "property name".

Abstract AS2

@t0 = @pop();
@t1 = @pop();
@pop()[@t1] = @t0;

Adobe documentation

ActionSetMember

ActionSetMember sets a property of an object. If the property does not already exist, it is created. Any existing value in the property is overwritten.

Field	Type	Comment
ActionSetMember	ACTIONRECORDHEADER	ActionCode = 0x45

ActionSetMember does the following:

1. Pops the new value off the stack.
2. Pops the object name off the stack.
3. Pops the object off of the stack.