Hey All,
I am trying to essentially get a main task to update its custom field from subtask custom fields.
For example when any subtask is set to in progress, mark the main task as in progress.
Either I am desperately overcomplicating things or AI rules do not seem to be able to do it.
Perhaps a script action?
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AI cannot help because it can’t update “another” task, only a script can do it.
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Yes, I would advise using Script Action.
Something like that:
1- When “trigger to be defined”
2- Then, add a script action
async function run() {
const pillarCustomFieldGid = '1209785914660601';
const triggeringTask = await tasksApiInstance.getTask(task_gid, {
opt_fields: `parent.custom_fields.gid,parent.custom_fields.enum_value.gid`
});
if(triggeringTask.data.parent) {
const parentPillarGid = triggeringTask.data.parent.custom_fields.find(
f => f.gid === pillarCustomFieldGid
)?.enum_value?.gid;
log("Current pillar is now: " + parentPillarGid);
if (!parentPillarGid) {
log("No pillar value found. Skipping update.");
return;
}
await tasksApiInstance.updateTask({
data: {
custom_fields: {
[pillarCustomFieldGid]: parentPillarGid
}
}
}, task_gid);
log("Task updated: " + task_gid);
}
}
run();
PS: this is a basic script, feel free to re-work it with your favorite LLM tool to adapt it to your needs.
PSS: I would recommend using the Script action “Run History” to read the logs and eventually improve it. example:
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lpb
November 18, 2025, 3:40am
5
@Danni_VanguardCC , I’m pretty sure you can achieve what you need with @Richard_Sather ’s:
Similar to my workaround for Automated task progress battery bars to show completion of subtasks , this workaround will automatically update the status of a parent task, based on the completion of subtasks!
Below is a small preview where we see that the Stage field of the parent task automatically displays the subtask that is currently in progress.
[image]
:exclamation:Note that this workaround works with predefined subtasks which could either be created using a Task templ…
…but you may not want to because it’s a few moving parts.
But just including that here for completeness’ sake.
Thanks,
Larry
3 Likes