} else if (is(commandParam, "saveCollectionSheet")) {
final CommandWrapper commandRequest = builder.saveGroupCollectionSheet(groupId).build();
result = this.commandsSourceWritePlatformService.logCommandSource(commandRequest);
return this.toApiJsonSerializer.serialize(result);
} else if (is(commandParam, "unassignStaff")) {
final CommandWrapper commandRequest = builder.unassignGroupStaff(groupId).build();
result = this.commandsSourceWritePlatformService.logCommandSource(commandRequest);
return this.toApiJsonSerializer.serialize(result);
} else if (is(commandParam, "assignStaff")) {
final CommandWrapper commandRequest = builder.assignGroupStaff(groupId).build();
result = this.commandsSourceWritePlatformService.logCommandSource(commandRequest);