Restrict Journey Assignment

Summary:

Hi Experts,

We have created journey for PIP . The PIP is assigned by the Line manager to the employee . Currently we have observed that manager assign PIP journey to a single employee multiple time. As per as current it is assigned as PIP, PIP(1), PIP(2)

We want to restrict the capability of line manager to assign the PIP journey only once.

Any Fast Formula approach or configuration to achieve this would be helpful.

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Version (include the version you are using, if applicable):

24C

Code Snippet (add any code snippets that support your topic, if applicable):