Update flag approval request
Perform a partial update to an approval request. Updating an approval request uses the semantic patch format. This endpoint requires a feature flag key, and can only be used for updating approval requests for flags.
To make a semantic patch request, you must append `domain-model=launchdarkly.semanticpatch` to your `Content-Type` header. To learn more, read [Updates using semantic patch](https://launchdarkly.com/docs/api#updates-using-semantic-patch).
### Instructions
Semantic patch requests support the following `kind` instructions for updating an approval request.
#### addReviewers
Adds the specified members and teams to the existing list of reviewers. You must include at least one of `notifyMemberIds` and `notifyTeamKeys`.
##### Parameters
- `notifyMemberIds`: (Optional) List of member IDs.
- `notifyTeamKeys`: (Optional) List of team keys.
#### updateDescription
Updates the description (title) of the approval request.
##### Parameters
- `value`: (Required) The new description for the approval request. Must be non-empty and no more than 5000 characters.