set_custom_emoji_sticker_set_thumbnail

template<class Agent>
api_result<boolean_t, Agent&&> set_custom_emoji_sticker_set_thumbnail(Agent &&agent, set_custom_emoji_sticker_set_thumbnail_args_t args)

template<class Agent, class F>
void set_custom_emoji_sticker_set_thumbnail(Agent &&agent, set_custom_emoji_sticker_set_thumbnail_args_t args, F &&callback)

agent is any object satisfying agent concept.

callback is any callable object accepting expected<boolean_t>.

Use this method to set the thumbnail of a custom emoji sticker set. Returns True on success.

struct set_custom_emoji_sticker_set_thumbnail_args_t

Arguments that should be passed to set_custom_emoji_sticker_set_thumbnail().

string_t name

Sticker set name

optional_t<string_t> custom_emoji_id

Custom emoji identifier of a sticker from the sticker set; pass an empty string to drop the thumbnail and use the first sticker as the thumbnail.