Parameter
sealed class ParameterResolver<T : ParameterResolver<T, R>, R : Any> : IParameterResolver<T> (source)
Base class for parameter resolvers used in text commands, application commands, and component callbacks.
You need to extend ClassParameterResolver or TypedParameterResolver instead.
Default parameter resolvers
| Text | Slash | Message context | User context | Components | Modals | Component timeout | |
|---|---|---|---|---|---|---|---|
| String | ✓ (can be quoted) | ✓ | ✓ | ✓ | ✓ | ||
| Boolean | ✓ | ✓ | ✓ | ✓ | |||
| Int | ✓ | ✓ | ✓ | ✓ | |||
| Long | ✓ | ✓ | ✓ | ✓ | |||
| Double | ✓ | ✓ | ✓ | ✓ | |||
| Emoji | ✓ | ✓ | ✓ | ✓ | |||
| IMentionable | ✓ (only mentions) | ✓ | |||||
| List of mentionable (see @MentionsString) | ✓ | ||||||
| Role | ✓ | ✓ | ✓ | ||||
| UserSnowflake | ✓ | ✓ | ✓ (target user) | ✓ | |||
| User | ✓ | ✓ | ✓ (target user) | ✓ | |||
| Member | ✓ | ✓ | ✓ (target user) | ✓ | |||
| InputUser | ✓ | ✓ | ✓ (target user) | ✓ | |||
| GuildChannel subtypes1 | ✓ | ✓ | ✓ | ||||
| Guild | ✓ | ✓ (as a String) | ✓ | ||||
| Message | ✓ (target message) | ||||||
| Attachment | ✓ |
The channel types are set automatically depending on the type, but a broader channel type can be used and restricted to multiple concrete types by using @ChannelTypes.
Parameter resolvers for services exist by default, and follow the rules described in @BService.
You can also check loaded parameter resolvers in the logs on the trace level.
Parameters
T
Type of the implementation
R
Type of the returned resolved objects