IBM Business Process Manager, Version 8.5.5

REST interface for BPD-related resources - Two Snapshots with Compared Change History Resource - GET Method

Use this method to retrieve the change histories that occurred between two snapshots (passed in the URL).

Sample method invocation

GET /rest/bpm/wle/v1/snapshot/comparehistory?snapshotId1={string}&snapshotId2={string}[&branchId1={string}][&branchId2={string}]

Parameters

Required parameters
NameValue TypeDescription
snapshotId1 string
The ID of snapshot 1.
snapshotId2 string
The ID of snapshot 2.
Optional parameters
NameValue TypeDescription
branchId1 string
The ID of branch 1. It is required when snapshotId1 is 'tip'.
branchId2 string
The ID of branch 2. It is required when snapshotId2 is 'tip'.

Request content

None

Response content

The list of change histories grouped by asset type, branch ID and persistent object ID. Note that the ID returned for an asset of type Participant can be used as a teamId in team related calls.

The default content type is application/json.

MIME type: application/json


+ View schema
{
    "status":"200",
    "data":{
        "baseSnapshotId":{"type": "string", "description": "The ID of the common base snapshot of two compared snapshots."},
        "histories":{
            {
        	"type": "string", "description": "The type name of the asset.", 
        	"enum":
         	  [
	            "ProjectDefaults", 
	            "BPD", 
	            "Human Service, 
	            "SCA Service", 			
	            "Integration Service", 
	            "Rule Service",     
	            "General System Service", 
	            "VariableType", 
	            "Participant, 
	            "ExternalActivity", 
	            "EPV", 
	            "TimingInterval",	            
	            "TrackingGroup",	            
	            "SLA",	            
	            "UCA",	            
	            "WebService"
         	  ]
            }: 
	    {                
                {"type": "string", "description": "The branch ID of one of the two compared snapshots."}:
		    {
                       {"type": "string", "description": "The ID of the persistent object."}:
		          {
	                    "changes":
			     [
				{
	                           "userName":{"type": "string", "description": "The name of the user who made the change on the persistent object."},
        	                   "actionType":{"type": "string", "description": "The type of the change.", 
                		     "enum":
                			[
			        	    "add", 
				            "change", 			
				            "delete"           		
                			]                        
                        	    }
	                           "modified_on":{"type": "long", "description": "The date of the modification.  
                        		It is a long value that the client needs to format based on the time zone."},
        	                   "branchId":{"type": "string", "description": "The ID of the branch where the change occurred."},
                	           "branchName":{"type": "string", "description": "The name of the branch where the change occurred."},
                        	   "branchAcronym":{"type": "string", "description": "The short name of the branch where the change occurred."}
	                        }
        	             ],
                	     "name":{"type": "string", "description": "The latest name of the persistent object up to the current snapshot."}
	                  }
		    }
            }
        },
        "snapshotIds":{"type": "[object]", "description": "The IDs of the two compared snapshots.", 
       	   	[{"type": "string", "description": "The ID of the snapshot."}]
	}        
    }
}
+ View example content
{
    "status":"200",
    "data":{
        "baseSnapshotId":"2064.8b48cb65-29eb-4a71-893b-e787bdb90f42",
        "histories":{
            "Human Service":{
                "2063.262cc9aa-9eb9-4ad8-8fc5-304e9a065744":{},
                "2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e":{
                    "1.551dd543-a770-4d6c-b0e0-1c9d61242e55":{
                        "poSubType":"Human Service",
                        "changes":[{
                                "userName":"Internal TW Admin user",
                                "actionType":"change",
                                "modified_on":1316545301502,
                                "branchId":"2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e",
                                "branchName":"Main",
                                "branchAcronym":"Main"
                            }
                        ],
                        "name":"Submit Requisition"
                    }
                }
            },
            "BPD":{
                "2063.262cc9aa-9eb9-4ad8-8fc5-304e9a065744":{
                    "25.8cd36947-4f5e-4ced-8f05-61e2489bdf53":{
                        "changes":[{
                                "userName":"Internal TW Admin user",
                                "actionType":"add",
                                "modified_on":1316549843922,
                                "branchId":"2063.262cc9aa-9eb9-4ad8-8fc5-304e9a065744",
                                "branchName":"branch1",
                                "branchAcronym":"B1"
                            }
                        ],
                        "name":"BPD2"
                    }
                },
                "2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e":{
                    "25.c904b3b1-afc1-4698-bf5a-a20892c20275":{
                        "changes":[{
                                "userName":"Internal TW Admin user",
                                "actionType":"change",
                                "modified_on":1316540789458,
                                "branchId":"2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e",
                                "branchName":"Main",
                                "branchAcronym":"Main"
                            },
                            {
                                "userName":"Internal TW Admin user",
                                "actionType":"change",
                                "modified_on":1316545301502,
                                "branchId":"2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e",
                                "branchName":"Main",
                                "branchAcronym":"Main"
                            }
                        ],
                        "name":"HR Open New Position"
                    },
                    "25.7c31c920-8571-426e-9e10-a86a7da673de":{
                        "changes":[{
                                "userName":"Internal TW Admin user",
                                "actionType":"add",
                                "modified_on":1316545215533,
                                "branchId":"2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e",
                                "branchName":"Main",
                                "branchAcronym":"Main"
                            },
                            {
                                "userName":"Internal TW Admin user",
                                "actionType":"change",
                                "modified_on":1316545229486,
                                "branchId":"2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e",
                                "branchName":"Main",
                                "branchAcronym":"Main"
                            }
                        ],
                        "name":"BPD1"
                    }
                }
            },
            "VariableType":{
                "2063.262cc9aa-9eb9-4ad8-8fc5-304e9a065744":{
                    "12.1af07cee-e2de-4c06-93c6-44e69f089dcf":{
                        "changes":[{
                                "userName":"Internal TW Admin user",
                                "actionType":"add",
                                "modified_on":1316550067236,
                                "branchId":"2063.262cc9aa-9eb9-4ad8-8fc5-304e9a065744",
                                "branchName":"branch1",
                                "branchAcronym":"B1"
                            },
                            {
                                "userName":"Internal TW Admin user",
                                "actionType":"change",
                                "modified_on":1316550076892,
                                "branchId":"2063.262cc9aa-9eb9-4ad8-8fc5-304e9a065744",
                                "branchName":"branch1",
                                "branchAcronym":"B1"
                            }
                        ],
                        "name":"BO3"
                    },
                    "12.cf1162d2-783d-4798-9f76-7892a821d62f":{
                        "changes":[{
                                "userName":"Internal TW Admin user",
                                "actionType":"add",
                                "modified_on":1316550039954,
                                "branchId":"2063.262cc9aa-9eb9-4ad8-8fc5-304e9a065744",
                                "branchName":"branch1",
                                "branchAcronym":"B1"
                            }
                        ],
                        "name":"BPD2"
                    }
                },
                "2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e":{
                    "12.7249b869-04b8-4588-97bd-aad4489583f0":{
                        "changes":[{
                                "userName":"Internal TW Admin user",
                                "actionType":"add",
                                "modified_on":1316545177001,
                                "branchId":"2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e",
                                "branchName":"Main",
                                "branchAcronym":"Main"
                            },
                            {
                                "userName":"Internal TW Admin user",
                                "actionType":"change",
                                "modified_on":1316545229486,
                                "branchId":"2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e",
                                "branchName":"Main",
                                "branchAcronym":"Main"
                            }
                        ],
                        "name":"BO1"
                    },
                    "12.1293b3d9-8571-4bbd-bf59-9911cd0b7909":{
                        "changes":[{
                                "userName":"Internal TW Admin user",
                                "actionType":"add",
                                "modified_on":1316545187220,
                                "branchId":"2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e",
                                "branchName":"Main",
                                "branchAcronym":"Main"
                            },
                            {
                                "userName":"Internal TW Admin user",
                                "actionType":"change",
                                "modified_on":1316545229486,
                                "branchId":"2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e",
                                "branchName":"Main",
                                "branchAcronym":"Main"
                            }
                        ],
                        "name":"BO2"
                    }
                }
            },
            "TrackingGroup":{
                "2063.262cc9aa-9eb9-4ad8-8fc5-304e9a065744":{},
                "2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e":{
                    "14.298c3209-1637-4f1f-a729-ec7529729592":{
                        "changes":[{
                                "userName":"Internal TW Admin user",
                                "actionType":"add",
                                "modified_on":1316545325627,
                                "branchId":"2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e",
                                "branchName":"Main",
                                "branchAcronym":"Main"
                            },
                            {
                                "userName":"Internal TW Admin user",
                                "actionType":"change",
                                "modified_on":1316545331565,
                                "branchId":"2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e",
                                "branchName":"Main",
                                "branchAcronym":"Main"
                            }
                        ],
                        "name":"TG1"
                    }
                }
            },
            "Integration Service":{
                "2063.262cc9aa-9eb9-4ad8-8fc5-304e9a065744":{},
                "2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e":{
                    "1.5c5409bb-38ec-422c-96f9-de9ddd143b9a":{
                        "poSubType":"Integration Service",
                        "changes":[{
                                "userName":"Internal TW Admin user",
                                "actionType":"add",
                                "modified_on":1316545262830,
                                "branchId":"2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e",
                                "branchName":"Main",
                                "branchAcronym":"Main"
                            },
                            {
                                "userName":"Internal TW Admin user",
                                "actionType":"change",
                                "modified_on":1316545278237,
                                "branchId":"2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e",
                                "branchName":"Main",
                                "branchAcronym":"Main"
                            },
                            {
                                "userName":"Internal TW Admin user",
                                "actionType":"change",
                                "modified_on":1316545281987,
                                "branchId":"2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e",
                                "branchName":"Main",
                                "branchAcronym":"Main"
                            }
                        ],
                        "name":"IS1"
                    }
                }
            },
            "General System Service":{
                "2063.262cc9aa-9eb9-4ad8-8fc5-304e9a065744":{
                    "1.f1489677-912e-42bb-b17a-f779115fbe41":{
                        "poSubType":"General System Service",
                        "changes":[{
                                "userName":"Internal TW Admin user",
                                "actionType":"change",
                                "modified_on":1316550056548,
                                "branchId":"2063.262cc9aa-9eb9-4ad8-8fc5-304e9a065744",
                                "branchName":"branch1",
                                "branchAcronym":"B1"
                            }
                        ],
                        "name":"GS1"
                    }
                },
                "2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e":{}
            }
        },
        "snapshotIds":["2064.4b3d435f-4ed4-4121-bcb5-30e7c01052f8",
            "2064.e95ffd28-f7bb-425b-80e6-dc441c88fa74"
        ]
    }
}

MIME type: application/xml


+ View schema
<?xml version="1.0" encoding="UTF-8"?>
<schema targetNamespace="http://rest.bpm.ibm.com/v1/data/snapshot"
	elementFormDefault="unqualified"
	xmlns="http://www.w3.org/2001/XMLSchema"
	xmlns:tns="http://rest.bpm.ibm.com/v1/data/snapshot"
	xmlns:pref="http://rest.bpm.ibm.com/v1/data/root"
	xmlns:cmn="http://rest.bpm.ibm.com/v1/data/common">

    <import schemaLocation="Common.xsd" namespace="http://rest.bpm.ibm.com/v1/data/common"/>
    <import schemaLocation="BPMRestData.xsd" namespace="http://rest.bpm.ibm.com/v1/data/root"/>

    <complexType name="SnapshotType">
		<complexContent>
		    <extension base="pref:Data">
				<sequence>
				    <element name="snapshotId" type="string"/>
				    <element name="seq_num" type="decimal"/>
				    <element name="name" type="string"/>
				    <element name="desc" type="string"/>
				    <element name="richDesc" type="string"/>
				    <element name="createdBy_userId" type="long"/>
				    <element name="createdBy_userName" type="string"/>
				    <element name="created_on" type="long"/>
				</sequence>
		    </extension>
		</complexContent>
    </complexType>
    
    <complexType name="tBranchSnapshots">
		<complexContent>
		    <extension base="pref:Data">
				<sequence>
				    <element name="branchId" type="string"/>
				    <element name="name" type="string"/>
				    <element name="snapshots" type="tns:SnapshotType" maxOccurs="unbounded"/>
				</sequence>
		    </extension>
		</complexContent>
    </complexType>
    
    <complexType name="tProjectSnapshots">
		<complexContent>
		    <extension base="pref:Data">
				<sequence>
				    <element name="branches" type="tns:tBranchSnapshots"  maxOccurs="unbounded"/>
				</sequence>
		    </extension>
		</complexContent>
    </complexType>
    
    <complexType name="tBranch">
		<complexContent>
		    <extension base="pref:Data">
				<sequence>
				    <element name="branchId" type="string"/>
				    <element name="name" type="string"/>
				</sequence>
		    </extension>
		</complexContent>
    </complexType>
          
    
    <complexType name="tProjectBranches">
		<complexContent>
		    <extension base="pref:Data">
				<sequence>
				    <element name="branches" type="tns:tBranch"  maxOccurs="unbounded"/>
				</sequence>
		    </extension>
		</complexContent>
    </complexType>
            
	<complexType name="POHistory">
        <annotation>
        	<documentation>poName attribute will be set to the latest one in all changes. </documentation>
        </annotation>
		<complexContent>
		    <extension base="pref:NamedElement">        
		        <sequence>
					<element name="poId" type="string" />
					<element name="poSubType" type="string" />
					<element name="changes" type="tns:ChangeItem"
						maxOccurs="unbounded" />
				</sequence>
		    </extension>
		</complexContent>		
	</complexType>

	<complexType name="ChangeItem">
        <annotation>
        	<documentation>branchId will be only set when compare two branches. poName will be set if it is not same as the latest one.</documentation>
        </annotation>
		<complexContent>
		    <extension base="pref:NamedElement">        
		        <sequence>
				    <element name="modified_on" type="long"/>
				    <element name="userName" type="string"/>
				    <element name="actionType" type="string"/>		
				</sequence>
				<attribute name="branchId" type="string" use="optional" />
				<attribute name="branchName" type="string" use="optional" />
				<attribute name="branchAcronym" type="string" use="optional" />
		    </extension>
		</complexContent>		
    </complexType>     
    
    <complexType name="tSnapshotDelta">
		<complexContent>
		    <extension base="pref:Data">
				<sequence>
				    <element name="snapshotIds" type="string" maxOccurs="2" minOccurs="1"/>
				    <element name="baseSnapshotId" type="string"/>
				    <element name="histories" type="cmn:Map"/>				    
				</sequence>
		    </extension>
		</complexContent>
    </complexType>           
                
</schema>
+ View example content
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<bpm:ResponseData xmlns:bpm="http://rest.bpm.ibm.com/v1/data"
	xmlns:ex="http://rest.bpm.ibm.com/v1/data/exception">
	<status>200</status>
	<data xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
		xmlns:snap="http://rest.bpm.ibm.com/v1/data/snapshot" xsi:type="snap:tSnapshotDelta">
		<snapshotIds>2064.bc97a55f-f158-40f3-8d8f-b9915a0dcc0d</snapshotIds>
		<snapshotIds>2064.9bc229af-b83c-446e-bcf5-dde8e6b49253</snapshotIds>
		<baseSnapshotId>2064.a0c67d45-292b-447d-9d2a-bed94cd254f1
		</baseSnapshotId>
		<histories>
			<item key="BPD">
				<value xmlns:cmn="http://rest.bpm.ibm.com/v1/data/common"
					xsi:type="cmn:Map">
					<item key="2063.4f5ede00-5c09-4ced-be0a-7512e4322b63">
						<value xsi:type="cmn:Map">
							<item key="25.41690ff3-3210-409f-8b75-bfc97c72e9c5">
								<value xsi:type="snap:POHistory">
									<name>BPD1</name>
									<changes branchAcronym="T2" branchName="Track2"
										branchId="2063.4f5ede00-5c09-4ced-be0a-7512e4322b63">
										<modified_on>1317078527489</modified_on>
										<userName>Internal TW Admin user</userName>
										<actionType>add</actionType>
									</changes>
									<changes branchAcronym="T2" branchName="Track2"
										branchId="2063.4f5ede00-5c09-4ced-be0a-7512e4322b63">
										<modified_on>1317078535052</modified_on>
										<userName>Internal TW Admin user</userName>
										<actionType>change</actionType>
									</changes>
								</value>
							</item>
						</value>
					</item>
					<item key="2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e">
						<value xsi:type="cmn:Map">
							<item key="25.c904b3b1-afc1-4698-bf5a-a20892c20275">
								<value xsi:type="snap:POHistory">
									<name>HR Open New Position</name>
									<changes branchAcronym="Main" branchName="Main"
										branchId="2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e">
										<modified_on>1317092466032</modified_on>
										<userName>Internal TW Admin user</userName>
										<actionType>change</actionType>
									</changes>
									<changes branchAcronym="Main" branchName="Main"
										branchId="2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e">
										<modified_on>1317094916376</modified_on>
										<userName>Internal TW Admin user</userName>
										<actionType>change</actionType>
									</changes>
								</value>
							</item>
						</value>
					</item>
				</value>
			</item>
			<item key="Rule Service">
				<value xmlns:cmn="http://rest.bpm.ibm.com/v1/data/common"
					xsi:type="cmn:Map">
					<item key="2063.4f5ede00-5c09-4ced-be0a-7512e4322b63">
						<value xsi:type="cmn:Map">
							<item key="1.5ccf7c95-8640-442a-aa6b-8fe0980d2fec">
								<value xsi:type="snap:POHistory">
									<name>RS1</name>
									<poSubType>Rule Service</poSubType>
									<changes branchAcronym="T2" branchName="Track2"
										branchId="2063.4f5ede00-5c09-4ced-be0a-7512e4322b63">
										<modified_on>1317078540349</modified_on>
										<userName>Internal TW Admin user</userName>
										<actionType>add</actionType>
									</changes>
								</value>
							</item>
						</value>
					</item>
					<item key="2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e">
						<value xsi:type="cmn:Map">
							<item key="1.7c5c7682-4fc6-484a-b41f-220e059fe1ec">
								<value xsi:type="snap:POHistory">
									<name>ds1</name>
									<poSubType>Rule Service</poSubType>
									<changes branchAcronym="Main" branchName="Main"
										branchId="2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e">
										<modified_on>1317092466032</modified_on>
										<userName>Internal TW Admin user</userName>
										<actionType>add</actionType>
									</changes>
								</value>
							</item>
						</value>
					</item>
				</value>
			</item>
			<item key="Installation Service">
				<value xmlns:cmn="http://rest.bpm.ibm.com/v1/data/common"
					xsi:type="cmn:Map">
					<item key="2063.4f5ede00-5c09-4ced-be0a-7512e4322b63">
						<value xsi:type="cmn:Map" />
					</item>
					<item key="2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e">
						<value xsi:type="cmn:Map">
							<item key="1.30397b90-a06d-4970-8f0c-ba8058c1271b">
								<value xsi:type="snap:POHistory">
									<name> Installation Service</name>
									<poSubType>Installation Service</poSubType>
									<changes branchAcronym="Main" branchName="Main"
										branchId="2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e">
										<modified_on>1317092466032</modified_on>
										<userName>Internal TW Admin user</userName>
										<actionType>change</actionType>
									</changes>
								</value>
							</item>
						</value>
					</item>
				</value>
			</item>
			<item key="General System Service">
				<value xmlns:cmn="http://rest.bpm.ibm.com/v1/data/common"
					xsi:type="cmn:Map">
					<item key="2063.4f5ede00-5c09-4ced-be0a-7512e4322b63">
						<value xsi:type="cmn:Map" />
					</item>
					<item key="2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e">
						<value xsi:type="cmn:Map">
							<item key="1.f388ec60-d401-42bc-ab3e-a1ffcfe169df">
								<value xsi:type="snap:POHistory">
									<name>gss1</name>
									<poSubType>General System Service</poSubType>
									<changes branchAcronym="Main" branchName="Main"
										branchId="2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e">
										<modified_on>1317092466032</modified_on>
										<userName>Internal TW Admin user</userName>
										<actionType>add</actionType>
									</changes>
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									<name>KPI1</name>
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										branchId="2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e">
										<modified_on>1317092466032</modified_on>
										<userName>Internal TW Admin user</userName>
										<actionType>add</actionType>
									</changes>
								</value>
							</item>
						</value>
					</item>
				</value>
			</item>
			<item key="UCA">
				<value xmlns:cmn="http://rest.bpm.ibm.com/v1/data/common"
					xsi:type="cmn:Map">
					<item key="2063.4f5ede00-5c09-4ced-be0a-7512e4322b63">
						<value xsi:type="cmn:Map" />
					</item>
					<item key="2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e">
						<value xsi:type="cmn:Map">
							<item key="4.a74773be-b12b-4002-96c9-dcb7b45b6eb5">
								<value xsi:type="snap:POHistory">
									<name>ua1</name>
									<changes branchAcronym="Main" branchName="Main"
										branchId="2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e">
										<modified_on>1317092466032</modified_on>
										<userName>Internal TW Admin user</userName>
										<actionType>add</actionType>
									</changes>
									<changes branchAcronym="Main" branchName="Main"
										branchId="2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e">
										<modified_on>1317094729546</modified_on>
										<userName>Internal TW Admin user</userName>
										<actionType>change</actionType>
									</changes>
								</value>
							</item>
							<item key="4.0270755f-7202-486c-ab57-83741bf06fff">
								<value xsi:type="snap:POHistory">
									<name>ua2</name>
									<changes branchAcronym="Main" branchName="Main"
										branchId="2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e">
										<modified_on>1317092466032</modified_on>
										<userName>Internal TW Admin user</userName>
										<actionType>add</actionType>
									</changes>
								</value>
							</item>
						</value>
					</item>
				</value>
			</item>
			<item key="EPV">
				<value xmlns:cmn="http://rest.bpm.ibm.com/v1/data/common"
					xsi:type="cmn:Map">
					<item key="2063.4f5ede00-5c09-4ced-be0a-7512e4322b63">
						<value xsi:type="cmn:Map" />
					</item>
					<item key="2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e">
						<value xsi:type="cmn:Map">
							<item key="21.036ef80a-9b9c-4eb9-81f9-9ece98640f39">
								<value xsi:type="snap:POHistory">
									<name>epv1</name>
									<changes branchAcronym="Main" branchName="Main"
										branchId="2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e">
										<modified_on>1317092466032</modified_on>
										<userName>Internal TW Admin user</userName>
										<actionType>add</actionType>
									</changes>
									<changes branchAcronym="Main" branchName="Main"
										branchId="2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e">
										<modified_on>1317094818391</modified_on>
										<userName>Internal TW Admin user</userName>
										<actionType>change</actionType>
									</changes>
									<changes branchAcronym="Main" branchName="Main"
										branchId="2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e">
										<modified_on>1317094827594</modified_on>
										<userName>Internal TW Admin user</userName>
										<actionType>change</actionType>
									</changes>
								</value>
							</item>
						</value>
					</item>
				</value>
			</item>
			<item key="WebService">
				<value xmlns:cmn="http://rest.bpm.ibm.com/v1/data/common"
					xsi:type="cmn:Map">
					<item key="2063.4f5ede00-5c09-4ced-be0a-7512e4322b63">
						<value xsi:type="cmn:Map" />
					</item>
					<item key="2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e">
						<value xsi:type="cmn:Map">
							<item key="7.71b8a577-a46b-4608-aa7f-4d2ccee6a8c9">
								<value xsi:type="snap:POHistory">
									<name>ws1</name>
									<changes branchAcronym="Main" branchName="Main"
										branchId="2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e">
										<modified_on>1317092466032</modified_on>
										<userName>Internal TW Admin user</userName>
										<actionType>add</actionType>
									</changes>
								</value>
							</item>
						</value>
					</item>
				</value>
			</item>
			<item key="TrackingGroup">
				<value xmlns:cmn="http://rest.bpm.ibm.com/v1/data/common"
					xsi:type="cmn:Map">
					<item key="2063.4f5ede00-5c09-4ced-be0a-7512e4322b63">
						<value xsi:type="cmn:Map" />
					</item>
					<item key="2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e">
						<value xsi:type="cmn:Map">
							<item key="14.96205756-2698-4a58-80e4-406e6900d4e4">
								<value xsi:type="snap:POHistory">
									<name>tGroup1</name>
									<changes branchAcronym="Main" branchName="Main"
										branchId="2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e">
										<modified_on>1317092466032</modified_on>
										<userName>Internal TW Admin user</userName>
										<actionType>add</actionType>
									</changes>
									<changes branchAcronym="Main" branchName="Main"
										branchId="2063.1a52abd6-b068-4f9e-91a9-ded9793eb34e">
										<modified_on>1317094875000</modified_on>
										<userName>Internal TW Admin user</userName>
										<actionType>change</actionType>
									</changes>
								</value>
							</item>
						</value>
					</item>
				</value>
			</item>
		</histories>
	</data>
</bpm:ResponseData>

Error Response content

Detailed error information.

The default content type is application/json.

MIME type: application/json


+ View schema
{  "description": "WLE Error Response", 
   "type": "object",
   "properties":
   {  "status": {"type": "string",
         "description": "The status of the previous API call."
      },
      "exceptionType": {"type": "string",
         "description": "The classname associated with the exception."
      },
      "errorNumber": {"type": "string",
         "description": "Message ID of the exception."
      },
      "errorMessage": {"type": "string",
         "description": "Message text of the exception."
      },
      "errorMessageParameters": {"type": ["string"], "optional": true,
         "description":"Message text parameters of the exception."
      },
      "programmersDetails": {"type": "object", "optional": true,
         "description":"Additional exception details, for example, a stack trace."
      }
   }
} 

Status codes

The method returns one of the following status codes:
CodeDescription
200 OKSuccess completion.
400 Bad RequestThe parameters are not valid or they are missing.
401 UnauthorizedThe caller is not authorized for this request.
406 Not AcceptableThe requested content type or content encoding is not supported.
500 Internal Server ErrorA severe problem has occurred, programmer's details are provided.

Available since

7.5.1

Parent Topic: Two Snapshots with Compared Change History Resource