Unarchive the class

{
  "type": "object",
  "description": "A classroom",
  "properties": {
    "assignmentsCount": {
      "type": "number",
      "description": "The number of assignments created in the class"
    },
    "canvas": {
      "type": "object",
      "description": "Meta information provided by Canvs LMS",
      "properties": {
        "domain": {
          "type": "string",
          "description": "Canvas instance domain (e.g. \"canvas.instructure.com\")"
        },
        "id": {
          "type": "string",
          "description": "Unique identifier of the course on Canvas"
        }
      }
    },
    "clever": {
      "type": "object",
      "description": "Clever.com section-related information",
      "properties": {
        "creationDate": {
          "type": "string",
          "format": "date-time",
          "description": "The creation date of the section on clever"
        },
        "id": {
          "type": "string",
          "description": "Clever section unique identifier"
        },
        "modificationDate": {
          "type": "string",
          "format": "date-time",
          "description": "The last modification date of the section on clever"
        },
        "subject": {
          "type": "string",
          "description": "Normalized subject of the course",
          "enum": [
            "english/language arts",
            "math",
            "science",
            "social studies",
            "language",
            "homeroom/advisory",
            "interventions/online learning",
            "technology and engineering",
            "PE and health",
            "arts and music",
            "other"
          ]
        },
        "termEndDate": {
          "type": "string",
          "format": "date-time",
          "description": "End date of the term"
        },
        "termName": {
          "type": "string",
          "description": "Name of the term when this course happens"
        },
        "termStartDate": {
          "type": "string",
          "format": "date-time",
          "description": "Beginning date of the term"
        }
      }
    },
    "creationDate": {
      "type": "string",
      "format": "date-time",
      "description": "The date when the class was create"
    },
    "description": {
      "type": "string",
      "description": "An optionnal description for this class"
    },
    "enrollmentCode": {
      "type": "string",
      "description": "[Teachers only] The enrollment code that can be used by the students to join the class\n"
    },
    "googleClassroom": {
      "type": "object",
      "description": "Google Classroom course-related information",
      "properties": {
        "alternateLink": {
          "type": "string",
          "description": "Absolute link to this course in the Classroom web UI"
        },
        "id": {
          "type": "string",
          "description": "The course identifier on Google Classroom"
        }
      }
    },
    "googleDrive": {
      "type": "object",
      "description": "Google Drive course-related information provided by Google Classroom",
      "properties": {
        "teacherFolderAlternateLink": {
          "type": "string",
          "description": "[Teachers only] The Drive URL of the teachers' folder\n"
        },
        "teacherFolderId": {
          "type": "string",
          "description": "[Teachers only] The Drive directory identifier of the teachers' folder\n"
        }
      }
    },
    "id": {
      "type": "string",
      "description": "The unique identifier of the class"
    },
    "issues": {
      "type": "object",
      "description": "Detected issues for this class",
      "properties": {
        "sync": {
          "type": "array",
          "description": "Synchronization issues for the class",
          "items": {
            "type": "object",
            "description": "A sync issue",
            "properties": {
              "email": {
                "type": "string",
                "description": "The email address of the user concerned by this sync issue"
              },
              "id": {
                "type": "string",
                "description": "The account user identifier"
              },
              "reason": {
                "type": "string",
                "description": "The reason why the account cannot be synced",
                "enum": [
                  "otherOrgnanization",
                  "personalSubscription"
                ]
              }
            }
          }
        }
      }
    },
    "lti": {
      "type": "object",
      "description": "Meta information provided by the LTI consumer",
      "properties": {
        "contextId": {
          "type": "string",
          "description": "Unique context identifier provided"
        },
        "contextLabel": {
          "type": "string",
          "description": "Context label"
        },
        "contextTitle": {
          "type": "string",
          "description": "Context title"
        }
      }
    },
    "mfc": {
      "type": "object",
      "description": "Meta information provided by Canvs LMS",
      "properties": {
        "alternateLink": {
          "type": "string",
          "description": "Link to MusicFirst Classroom class"
        },
        "id": {
          "type": "string",
          "description": "Unique identifier of the course on MusicFirst Classroom"
        }
      }
    },
    "microsoftGraph": {
      "type": "object",
      "properties": {
        "id": {
          "type": "string",
          "description": "The course identifier on Microsoft Graph"
        }
      }
    },
    "name": {
      "type": "string",
      "description": "The name of the class"
    },
    "organization": {
      "type": "string",
      "description": "The unique identifier of the Organization owning this class"
    },
    "owner": {
      "type": "string",
      "description": "The unique identifier of the User owning this class"
    },
    "section": {
      "type": "string",
      "description": "The section of the class"
    },
    "state": {
      "type": "string",
      "description": "The state of a classroom",
      "enum": [
        "active",
        "inactive",
        "archived"
      ]
    },
    "studentsGroup": {
      "type": "object",
      "description": "The details of a group",
      "properties": {
        "creationDate": {
          "type": "string",
          "format": "date-time",
          "description": "The date when the group was create"
        },
        "id": {
          "type": "string",
          "description": "The unique identifier of the group"
        },
        "name": {
          "type": "string",
          "description": "The displayable name of the group"
        },
        "organization": {
          "type": "string",
          "description": "The unique identifier of the Organization owning the group"
        },
        "readOnly": {
          "type": "boolean",
          "description": "`true` if the properties and members of this group are in in read-only\n"
        },
        "type": {
          "type": "string",
          "description": "The type of the group",
          "enum": [
            "generic",
            "classTeachers",
            "classStudents"
          ]
        },
        "usersCount": {
          "type": "number",
          "description": "The number of students in this group"
        }
      }
    },
    "teachersGroup": {
      "type": "object",
      "description": "The details of a group",
      "properties": {
        "creationDate": {
          "type": "string",
          "format": "date-time",
          "description": "The date when the group was create"
        },
        "id": {
          "type": "string",
          "description": "The unique identifier of the group"
        },
        "name": {
          "type": "string",
          "description": "The displayable name of the group"
        },
        "organization": {
          "type": "string",
          "description": "The unique identifier of the Organization owning the group"
        },
        "readOnly": {
          "type": "boolean",
          "description": "`true` if the properties and members of this group are in in read-only\n"
        },
        "type": {
          "type": "string",
          "description": "The type of the group",
          "enum": [
            "generic",
            "classTeachers",
            "classStudents"
          ]
        },
        "usersCount": {
          "type": "number",
          "description": "The number of students in this group"
        }
      }
    },
    "theme": {
      "type": "string",
      "description": "The theme identifier using in Flat User Interface"
    }
  }
}