The specific discretionary functions of a Municipal Commissioner can vary depending on the municipal laws and regulations of the particular city or region. However, discretionary functions generally involve decisions where the commissioner has the power to choose between different courses of action based on their judgment and expertise.

Here are some examples of areas where a Municipal Commissioner might exercise discretionary powers:

• Policy Implementation: Deciding on the specific methods and strategies to implement policies approved by the municipal council.
• Resource Allocation: Making choices about the allocation of funds and resources to different projects and departments within the municipality.
• Enforcement Actions: Determining when and how to enforce municipal laws and regulations, such as those related to building codes or public health.
• Contract Management: Exercising judgment in the awarding and management of contracts for municipal services.
• Emergency Response: Taking necessary actions and making decisions during emergencies or unforeseen circumstances.

It's important to note that even when exercising discretionary powers, the Municipal Commissioner is usually expected to act in a fair, transparent, and accountable manner, and in accordance with the overall goals and objectives of the municipality.

For detailed information, consult the specific municipal act or legislation governing the municipality in question.