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Manage function roles
Learn how to use management commands to view, add, and remove function admins on a function level.
reference
08/11/2024

Manage function roles

[!INCLUDE applies] [!INCLUDE fabric] [!INCLUDE azure-data-explorer]

Principals are granted access to resources through a role-based access control model, where their assigned security roles determine their resource access.

On functions, the only security role is admins. Function admins have the ability to view, modify, and remove the function.

In this article, you'll learn how to use management commands to view existing admins as well as add and remove admins on functions.

Note

A principal must have access on the database or table level to be a Function Admin.

Permissions

You must have Database Admin permissions or be a Function Admin on the specific function to run these commands. For more information, see role-based access control.

Show existing admins

Before you add or remove principals, you can use the .show command to see a table with all of the principals that already have admin access on the function.

Syntax

To show all roles:

.show function FunctionName principals

To show your roles:

.show function FunctionName principal roles

[!INCLUDE syntax-conventions-note]

Parameters

Name Type Required Description
FunctionName string ✔️ The name of the function for which to list principals.

Example

The following command lists all security principals that have access to the SampleFunction function.

.show function SampleFunction principals

Example output

Role PrincipalType PrincipalDisplayName PrincipalObjectId PrincipalFQN
Function SampleFunction Admin Microsoft Entra user Abbi Atkins cd709aed-a26c-e3953dec735e aaduser=abbiatkins@fabrikam.com

Add and drop admins

This section provides syntax, parameters, and examples for adding and removing principals.

Syntax

Action function FunctionName admins ( Principal [, Principal...] ) [skip-results] [ Description ]

[!INCLUDE syntax-conventions-note]

Parameters

Name Type Required Description
Action string ✔️ The command .add, .drop, or .set.
.add adds the specified principals, .drop removes the specified principals, and .set adds the specified principals and removes all previous ones.
FunctionName string ✔️ The name of the function for which to add principals.
Principal string ✔️ One or more principals. For guidance on how to specify these principals, see Referencing security principals.
skip-results string If provided, the command won't return the updated list of function principals.
Description string Text to describe the change that will be displayed when using the .show command.

Note

The .set command with none instead of a list of principals will remove all principals.

Examples

In the following examples, you'll see how to add admins, remove admins, and add and remove admins in the same command.

Add admins with .add

The following example adds a principal to the admins role on the SampleFunction function.

.add function SampleFunction admins ('aaduser=imikeoein@fabrikam.com')

Remove admins with .drop

The following example removes all principals in the group from the admins role on the SampleFunction function.

.drop function SampleFunction admins ('aadGroup=SomeGroupEmail@fabrikam.com')

Add new admins and remove the old with .set

The following example removes existing admins and adds the provided principals as admins on the SampleFunction function.

.set function SampleFunction admins ('aaduser=imikeoein@fabrikam.com', 'aaduser=abbiatkins@fabrikam.com')

Remove all admins with .set

The following command removes all existing admins on the SampleFunction function.

.set function SampleFunction admins none

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