Model/PropertyType.php
public function jsonSerialize()
    {
        $json = [];

        if (null !== $this->created) {
            $json['created'] = $this->created->format(\DateTime::ISO8601);
        }
        if (null !== $this->createdBy) {
            $json['createdBy'] = $this->createdBy;
        }
        if (null !== $this->updated) {
            $json['updated'] = $this->updated->format(\DateTime::ISO8601);
        }
        if (null !== $this->updatedBy) {
            $json['updatedBy'] = $this->updatedBy;
        }
        if (null !== $this->deleted) {
            $json['deleted'] = $this->deleted;
        }
        if (null !== $this->name) {
            $json['name'] = $this->name;
        }
        if (null !== $this->systemName) {
            $json['systemName'] = $this->systemName;
        }
        if (null !== $this->description) {
            $json['description'] = $this->description;
        }
        if (null !== $this->dataTypeId) {
            $json['dataTypeId'] = $this->dataTypeId;
        }
        if (null !== $this->definition) {
            $json['definition'] = $this->definition;
        }

        return $json;
    }
public function jsonSerialize()
    {
        $json = [];

        if (null !== $this->created) {
            $json['created'] = $this->created->format(\DateTime::ISO8601);
        }
        if (null !== $this->createdBy) {
            $json['createdBy'] = $this->createdBy;
        }
        if (null !== $this->updated) {
            $json['updated'] = $this->updated->format(\DateTime::ISO8601);
        }
        if (null !== $this->updatedBy) {
            $json['updatedBy'] = $this->updatedBy;
        }
        if (null !== $this->deleted) {
            $json['deleted'] = $this->deleted;
        }
        if (null !== $this->name) {
            $json['name'] = $this->name;
        }
        if (null !== $this->systemName) {
            $json['systemName'] = $this->systemName;
        }
        if (null !== $this->description) {
            $json['description'] = $this->description;
        }
        if (null !== $this->dataTypeId) {
            $json['dataTypeId'] = $this->dataTypeId;
        }
        if (null !== $this->definition) {
            $json['definition'] = $this->definition;
        }

        return $json;
    }
Gets all data that should be available in a json representation.

@return array an associative array of the available variables