Trigger pipeline manually when automated trigger is pub sub

Hi

Automated trigger for spinnaker pipeline is via pubsub. But i want to trigger it manually and give a tag to deploy?

Normally for pub sub i use the below
gs://path/to/repo/{reponame}/{trigger[‘payload’][‘tag’].substring(trigger[‘payload’][‘tag’].lastIndexOf("-")+1)}/chart.tgz",

when it manual i would like to use

gs://path/to/repo/{reponame}/{ parameters[manualtag] }/chart.tgz",

can i have a or condition that can satisfy both