Updated user agent to be a host-level setting
diff --git a/examples/objective-c/helloworld/main.m b/examples/objective-c/helloworld/main.m
index b673808..755dce3 100644
--- a/examples/objective-c/helloworld/main.m
+++ b/examples/objective-c/helloworld/main.m
@@ -43,7 +43,7 @@
int main(int argc, char * argv[]) {
@autoreleasepool {
[GRPCCall useInsecureConnectionsForHost:kHostAddress];
- [GRPCCall setUserAgentPrefix:@"HelloWorld/1.0"];
+ [GRPCCall setUserAgentPrefix:@"HelloWorld/1.0" forHost:kHostAddress];
HLWGreeter *client = [[HLWGreeter alloc] initWithHost:kHostAddress];