Examples¶
Example Statements¶
Example of a simple Statement (line breaks are for display purposes only):
{
"id":"fd41c918-b88b-4b20-a0a5-a4c32391aaa0",
"timestamp": "2015-11-18T12:17:00+00:00",
"actor":{
"objectType": "Agent",
"name":"Project Tin Can API",
"mbox":"mailto:user@example.com"
},
"verb":{
"id":"http://example.com/xapi/verbs#sent-a-statement",
"display":{
"en-US":"sent"
}
},
"object":{
"id":"http://example.com/xapi/activity/simplestatement",
"definition":{
"name":{
"en-US":"simple statement"
},
"description":{
"en-US":"A simple Experience API statement. Note that the LRS
does not need to have any prior information about the Actor (learner), the
verb, or the Activity/object."
}
}
}
}
Completion with Verb named "attempted" and Duration expressed in seconds (not converted to minutes and seconds):
{
"id":"7ccd3322-e1a5-411a-a67d-6a735c76f119",
"timestamp": "2015-12-18T12:17:00+00:00",
"actor":{
"objectType": "Agent",
"name":"Example Learner",
"mbox":"mailto:example.learner@adlnet.gov"
},
"verb":{
"id":"http://adlnet.gov/expapi/verbs/attempted",
"display":{
"en-US":"attempted"
}
},
"object":{
"id":"http://example.adlnet.gov/xapi/example/simpleCBT",
"definition":{
"name":{
"en-US":"simple CBT course"
},
"description":{
"en-US":"A fictitious example CBT course."
}
}
},
"result":{
"score":{
"scaled":0.95
},
"success":true,
"completion":true,
"duration": "PT1234S"
}
}
A long example Statement showcasing most of the properties available. This example shows a Statement returned by an LRS including the "authority" and "stored" properties set by the LRS:
{
"id": "6690e6c9-3ef0-4ed3-8b37-7f3964730bee",
"actor": {
"name": "Team PB",
"mbox": "mailto:teampb@example.com",
"member": [
{
"name": "Andrew Downes",
"account": {
"homePage": "http://www.example.com",
"name": "13936749"
},
"objectType": "Agent"
},
{
"name": "Toby Nichols",
"openid": "http://toby.openid.example.org/",
"objectType": "Agent"
},
{
"name": "Ena Hills",
"mbox_sha1sum": "ebd31e95054c018b10727ccffd2ef2ec3a016ee9",
"objectType": "Agent"
}
],
"objectType": "Group"
},
"verb": {
"id": "http://adlnet.gov/expapi/verbs/attended",
"display": {
"en-GB": "attended",
"en-US": "attended"
}
},
"result": {
"extensions": {
"http://example.com/profiles/meetings/resultextensions/minuteslocation": "X:\\meetings\\minutes\\examplemeeting.one"
},
"success": true,
"completion": true,
"response": "We agreed on some example actions.",
"duration": "PT1H0M0S"
},
"context": {
"registration": "ec531277-b57b-4c15-8d91-d292c5b2b8f7",
"contextActivities": {
"parent": [
{
"id": "http://www.example.com/meetings/series/267",
"objectType": "Activity"
}
],
"category": [
{
"id": "http://www.example.com/meetings/categories/teammeeting",
"objectType": "Activity",
"definition": {
"name": {
"en": "team meeting"
},
"description": {
"en": "A category of meeting used for regular team meetings."
},
"type": "http://example.com/expapi/activities/meetingcategory"
}
}
],
"other": [
{
"id": "http://www.example.com/meetings/occurances/34257",
"objectType": "Activity"
},
{
"id": "http://www.example.com/meetings/occurances/3425567",
"objectType": "Activity"
}
]
},
"instructor" :
{
"name": "Andrew Downes",
"account": {
"homePage": "http://www.example.com",
"name": "13936749"
},
"objectType": "Agent"
},
"team":
{
"name": "Team PB",
"mbox": "mailto:teampb@example.com",
"objectType": "Group"
},
"platform" : "Example virtual meeting software",
"language" : "tlh",
"statement" : {
"objectType":"StatementRef",
"id" :"6690e6c9-3ef0-4ed3-8b37-7f3964730bee"
}
},
"timestamp": "2013-05-18T05:32:34.804+00:00",
"stored": "2013-05-18T05:32:34.804+00:00",
"authority": {
"account": {
"homePage": "http://cloud.scorm.com/",
"name": "anonymous"
},
"objectType": "Agent"
},
"version": "1.0.0",
"object": {
"id": "http://www.example.com/meetings/occurances/34534",
"definition": {
"extensions": {
"http://example.com/profiles/meetings/activitydefinitionextensions/room": {"name": "Kilby", "id" : "http://example.com/rooms/342"}
},
"name": {
"en-GB": "example meeting",
"en-US": "example meeting"
},
"description": {
"en-GB": "An example meeting that happened on a specific occasion with certain people present.",
"en-US": "An example meeting that happened on a specific occasion with certain people present."
},
"type": "http://adlnet.gov/expapi/activities/meeting",
"moreInfo": "http://virtualmeeting.example.com/345256"
},
"objectType": "Activity"
}
}
Examples of Statement's Objects of different types¶
The Object of a Statement can be an Activity, an Agent, a Group or a Statement. This appendix provides one example of each.
Object is Activity¶
{
"id": "http://www.example.co.uk/exampleactivity",
"definition": {
"name": {
"en-GB": "example activity",
"en-US": "example activity"
},
"description": {
"en-GB": "An example of an activity",
"en-US": "An example of an activity"
},
"type": "http://www.example.co.uk/types/exampleactivitytype"
},
"objectType": "Activity"
}
Object is Agent¶
{
"name": "Andrew Downes",
"mbox": "mailto:andrew@example.co.uk",
"objectType": "Agent"
}
Object is Group¶
This example shows an Identified Group with members.
{
"name": "Example Group",
"account" : {
"homePage" : "http://example.com/homePage",
"name" : "GroupAccount"
},
"objectType": "Group",
"member": [
{
"name": "Andrew Downes",
"mbox": "mailto:andrew@example.com",
"objectType": "Agent"
},
{
"name": "Aaron Silvers",
"openid": "http://aaron.openid.example.org",
"objectType": "Agent"
}
]
}
Object is Statement¶
This example shows a SubStatement Object whose Object is a Statement Reference.
{
"objectType": "SubStatement",
"actor" : {
"objectType": "Agent",
"mbox":"mailto:agent@example.com"
},
"verb" : {
"id":"http://example.com/confirmed",
"display":{
"en":"confirmed"
}
},
"object": {
"objectType":"StatementRef",
"id" :"9e13cefd-53d3-4eac-b5ed-2cf6693903bb"
}
}
Example definitions for Activities of type cmi.interaction¶
true-false¶
"definition": {
"description": {
"en-US": "Does the xAPI include the concept of statements?"
},
"type": "http://adlnet.gov/expapi/activities/cmi.interaction",
"interactionType": "true-false",
"correctResponsesPattern": [
"true"
]
}
choice¶
"definition": {
"description": {
"en-US": "Which of these prototypes are available at the beta site?"
},
"type": "http://adlnet.gov/expapi/activities/cmi.interaction",
"interactionType": "choice",
"correctResponsesPattern": [
"golf[,]tetris"
],
"choices": [
{
"id": "golf",
"description": {
"en-US": "Golf Example"
}
},
{
"id": "facebook",
"description": {
"en-US": "Facebook App"
}
},
{
"id": "tetris",
"description": {
"en-US": "Tetris Example"
}
},
{
"id": "scrabble",
"description": {
"en-US": "Scrabble Example"
}
}
]
}
fill-in¶
"definition": {
"description": {
"en-US": "Ben is often heard saying: "
},
"type": "http://adlnet.gov/expapi/activities/cmi.interaction",
"interactionType": "fill-in",
"correctResponsesPattern": [
"Bob's your uncle"
]
}
long-fill-in¶
"definition": {
"description": {
"en-US": "What is the purpose of the xAPI?"
},
"type": "http://adlnet.gov/expapi/activities/cmi.interaction",
"interactionType": "long-fill-in",
"correctResponsesPattern": [
"{case_matters=false}{lang=en}To store and provide access to learning experiences."
]
}
likert¶
"definition": {
"description": {
"en-US": "How awesome is Experience API?"
},
"type": "http://adlnet.gov/expapi/activities/cmi.interaction",
"interactionType": "likert",
"correctResponsesPattern": [
"likert_3"
],
"scale": [
{
"id": "likert_0",
"description": {
"en-US": "It's OK"
}
},
{
"id": "likert_1",
"description": {
"en-US": "It's Pretty Cool"
}
},
{
"id": "likert_2",
"description": {
"en-US": "It's Damn Cool"
}
},
{
"id": "likert_3",
"description": {
"en-US": "It's Gonna Change the World"
}
}
]
}
matching¶
"definition": {
"description": {
"en-US": "Match these people to their kickball team:"
},
"type": "http://adlnet.gov/expapi/activities/cmi.interaction",
"interactionType": "matching",
"correctResponsesPattern": [
"ben[.]3[,]chris[.]2[,]troy[.]4[,]freddie[.]1"
],
"source": [
{
"id": "ben",
"description": {
"en-US": "Ben"
}
},
{
"id": "chris",
"description": {
"en-US": "Chris"
}
},
{
"id": "troy",
"description": {
"en-US": "Troy"
}
},
{
"id": "freddie",
"description": {
"en-US": "Freddie"
}
}
],
"target": [
{
"id": "1",
"description": {
"en-US": "Swift Kick in the Grass"
}
},
{
"id": "2",
"description": {
"en-US": "We got Runs"
}
},
{
"id": "3",
"description": {
"en-US": "Duck"
}
},
{
"id": "4",
"description": {
"en-US": "Van Delay Industries"
}
}
]
}
performance¶
"definition": {
"description": {
"en-US": "This interaction measures performance over a day of RS sports:"
},
"type": "http://adlnet.gov/expapi/activities/cmi.interaction",
"interactionType": "performance",
"correctResponsesPattern": [
"pong[.]1:[,]dg[.]:10[,]lunch[.]"
],
"steps": [
{
"id": "pong",
"description": {
"en-US": "Net pong matches won"
}
},
{
"id": "dg",
"description": {
"en-US": "Strokes over par in disc golf at Liberty"
}
},
{
"id": "lunch",
"description": {
"en-US": "Lunch having been eaten"
}
}
]
}
sequencing¶
"definition": {
"description": {
"en-US": "Order players by their pong ladder position:"
},
"type": "http://adlnet.gov/expapi/activities/cmi.interaction",
"interactionType": "sequencing",
"correctResponsesPattern": [
"tim[,]mike[,]ells[,]ben"
],
"choices": [
{
"id": "tim",
"description": {
"en-US": "Tim"
}
},
{
"id": "ben", "description": {
"en-US": "Ben"
}
},
{
"id": "ells",
"description": {
"en-US": "Ells"
}
},
{
"id": "mike",
"description": {
"en-US": "Mike"
}
}
]
}
numeric¶
"definition": {
"description": {
"en-US": "How many jokes is Chris the butt of each day?"
},
"type": "http://adlnet.gov/expapi/activities/cmi.interaction",
"interactionType": "numeric",
"correctResponsesPattern": [
"4[:]"
]
}
In this example the minimum correct answer is 4 and there is no maximum. 5, 6 or 976 would all be correct answers.
other¶
"definition": {
"description": {
"en-US": "On this map, please mark Franklin, TN"
},
"type": "http://adlnet.gov/expapi/activities/cmi.interaction",
"interactionType": "other",
"correctResponsesPattern": [
"(35.937432,-86.868896)"
]
}
Example Signed Statement¶
An example signed Statement, as described in: Section 4.2.6 Signed Statements.
The original Statement serialization to be signed. New lines in this example are included via CR+LF (0x0D + 0x0A).
{
"version": "1.0.0",
"id": "33cff416-e331-4c9d-969e-5373a1756120",
"actor": {
"mbox": "mailto:example@example.com",
"name": "Example Learner",
"objectType": "Agent"
},
"verb": {
"id": "http://adlnet.gov/expapi/verbs/experienced",
"display": {
"en-US": "experienced"
}
},
"object": {
"id": "https://www.youtube.com/watch?v=xh4kIiH3Sm8",
"objectType": "Activity",
"definition": {
"name": {
"en-US": "Tax Tips & Information : How to File a Tax Return "
},
"description": {
"en-US": "Filing a tax return will require filling out either a 1040, 1040A or 1040EZ form"
}
}
},
"timestamp": "2013-04-01T12:00:00Z"
}
Example private key for X.509 certificate used for signing:
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----
Example public X.509 certificate
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
Example certificate authority certificate
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
JWS Header. Note that along with specifying the algorithm, the certificate chain for the signing certificate has been included.
{
"alg": "RS256",
"x5c": [
"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",
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]
}
JWS signature
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Signed Statement
{
"version": "1.0.0",
"id": "33cff416-e331-4c9d-969e-5373a1756120",
"actor": {
"mbox": "mailto:example@example.com",
"name": "Example Learner",
"objectType": "Agent"
},
"verb": {
"id": "http://adlnet.gov/expapi/verbs/experienced",
"display": {
"en-US": "experienced"
}
},
"object": {
"id": "https://www.youtube.com/watch?v=xh4kIiH3Sm8",
"objectType": "Activity",
"definition": {
"name": {
"en-US": "Tax Tips & Information : How to File a Tax Return "
},
"description": {
"en-US": "Filing a tax return will require filling out either a 1040, 1040A or 1040EZ form"
}
}
},
"timestamp": "2013-04-01T12:00:00Z",
"attachments": [
{
"usageType": "http://adlnet.gov/expapi/attachments/signature",
"display": { "en-US": "Signature" },
"description": { "en-US": "A test signature" },
"contentType": "application/octet-stream",
"length": 4235,
"sha2": "672fa5fa658017f1b72d65036f13379c6ab05d4ab3b6664908d8acf0b6a0c634"
}
]
}