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Set Predecessors in Project Online Tasks

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Posted on by oscardias

Hello,

We have an integration though Power Automate to create pojects and tasks inside Project Online. We've managed to create the tasks with parents and correctly ordered, but we can't find out how to define the predecessors.

Our sharepoint schema is as follows (/_api/ProjectServer/Projects('@{triggerBody()?['project_id']}')/draft/tasks/Add()):

{"parameters": {
"Name": "@{triggerBody()?['Name']}",
"Start": "@{triggerBody()?['Start']}",
"Duration": "@{triggerBody()?['Duration']}",
"ParentId": "@{triggerBody()?['ParentId']}",
"AddAfterId": "@{triggerBody()?['AddAfterId']}"
}}

Is it possible to add predecessors as well?

Thanks

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Expiscornovus 33,872 Most Valuable Professional on at

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Hi @oscardias,

You should be able to use the draft/tasklinks/add method for that.

Below is an example where I create a dependency between two task of type Finish to Start (FS):

https://docs.microsoft.com/en-us/previous-versions/office/project-class/jj232950(v=office.15)

{ "parameters": { "DependencyType": "1", "StartId": "@{variables('PredecessorTask')}", "EndId": "@{variables('SuccessorTask')}" } }

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oscardias 13 on at

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Thank you very much! Haven't implemented it yet, but that's exactly what I needed.

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Community Power Pla... Microsoft Employee on at

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Hello!

how would it work for external dependencies (i.e. tasks with predecessors in other project files on the same PWA site)?

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