{
              leftOperand : {
                leftOperand : {
                  leftOperand : "attachmentdatafiledesc",
                  operator : 'LIKE',
                  rightOperand : '%' + currFilter.value + '%'
                },
                operator : 'OR',
                rightOperand : {
                  leftOperand : "procedurecode",
                  operator : 'LIKE',
                  rightOperand : '%' + currFilter.value + '%'
                }
              }
              ,
              operator : 'OR',
              rightOperand : {
                leftOperand : {
                  leftOperand : 'signaturerequestname',
                  operator : 'LIKE',
                  rightOperand : '%' + currFilter.value + '%'
                },
                operator : 'OR',
                rightOperand : {
                  leftOperand : 'documentmastertypedesc',
                  operator : 'LIKE',
                  rightOperand : '%' + currFilter.value + '%'
                }
              }
            }