'array', 'previous_project_distance' => 'array', 'previous_project_distance_update' => 'array', 'previous_start_latlng' => 'array', 'previous_team_latlng' => 'array', 'previous_end_latlng' => 'array' ]; public function project() { return $this->belongsTo('App\Models\RoadTechnicalBulding'); } public function files() { return $this->morphMany('App\Models\ProjectFile', 'project_fileable'); } }