async getTagNameById(tagId) {
    /**
     * Get the Name of a Tag by its ID.
     *
     * @param   id  The id of the tag.
     * @returns    The name of the tag.
     */
    this.initialize();
    try {
      const response = await this.client.get(`/tags/${tagId}/`);
      return response.data.name;
    } catch (error) {
      console.error(`[ERROR] fetching tag name for ID ${tagId}:`, error.message);
      return null;
    }
  }
Get the Name of a Correspondent by its ID.

@param   id  The id of the correspondent.
@returns    The name of the correspondent.