A client would like you to create a custom connector. You need to configure the connector. Which element is required?

An On-premises data gateway is only required if the custom connector needs to connect to an on-premises data source or API, which is not a universal requirement for all custom connectors.

Power Automate per user license is related to the usage rights of Power Automate and connectors, not a configuration element within the custom connector definition itself.

When creating a custom connector, you define the API's actions and parameters. Providing a JSON sample for a request body is a common and often required method to define the structure of the input parameters for operations that send data to the API, which helps the custom connector understand the expected schema for the API calls.

Power Automate per flow license is related to the usage rights of Power Automate and connectors, not a configuration element within the custom connector definition itself.

An API Key is a common authentication method but is not the only or universally required element; some APIs use other authentication types or none, and it is part of the security configuration, not the fundamental definition of request structure.