To create a custom sensitivity label, you start by creating a custom sensitive information type. Does this action enable creation of the custom sensitivity label?

Yes, creating a custom sensitive information type (SIT) is a prerequisite for defining a custom sensitivity label that uses that specific SIT for automatic classification. A custom SIT identifies patterns of sensitive data (e.g., custom project codes, specific employee IDs). Once defined, you can then configure a custom sensitivity label to automatically apply based on the detection of this custom SIT within documents or emails. Without the custom SIT, the sensitivity label wouldn't have a specific custom pattern to look for to trigger its automatic application.