public InjectPayload getPayload(int type, String name) {
		if (name == null) {
			return null;
		}
		if (type == InjectPayload.CALLFIXUP_TYPE) {
			return callFixupMap.get(name);
		}
		else if (type == InjectPayload.CALLOTHERFIXUP_TYPE) {
			return callOtherFixupMap.get(name);
		}
		else if (type == InjectPayload.CALLMECHANISM_TYPE) {
			return callMechFixupMap.get(name);
		}
		else if (type == InjectPayload.EXECUTABLEPCODE_TYPE) {
			return exePcodeMap.get(name);
		}
		return null;
	}
Check if a specific payload has been overridden by a user extension
@param nm is the name of the payload
@param type is the type of payload
@return true if the payload is overridden
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/lang/PcodeInjectLibrary.java