diff --git a/TP/NGSI-LD/ContextInformation/Consumption/Discovery/RetrieveDetailsOfAvailableAttributes/026_01.robot b/TP/NGSI-LD/ContextInformation/Consumption/Discovery/RetrieveDetailsOfAvailableAttributes/026_01.robot
index ac5027204751bfe86fca7d6ff5c7ac9e530db236..645b32b1f0dad2f8bb489dbcc1c1c0657fd9ffee 100644
--- a/TP/NGSI-LD/ContextInformation/Consumption/Discovery/RetrieveDetailsOfAvailableAttributes/026_01.robot
+++ b/TP/NGSI-LD/ContextInformation/Consumption/Discovery/RetrieveDetailsOfAvailableAttributes/026_01.robot
@@ -28,7 +28,7 @@ ${filename}=                building-simple-attributes-sample.json
 Retrieve Details Of Available Attributes
     [Documentation]    Check that you can retrieve a list with a detailed representation of NGSI-LD attributes
     [Arguments]    ${context}    ${expectation_file}
-    ${response}=    Retrieve Attributes    context=${context}    details=${TRUE}
+    ${response}=    Retrieve Attributes    context=${context}    details=true
     Check Response Status Code    200    ${response.status_code}
     Check Response Body Containing Attribute element    ${expectation_file}    ${response.json()}
 
diff --git a/TP/NGSI-LD/ContextInformation/Consumption/Discovery/RetrieveDetailsOfAvailableEntityTypes/023_01.robot b/TP/NGSI-LD/ContextInformation/Consumption/Discovery/RetrieveDetailsOfAvailableEntityTypes/023_01.robot
index d4a5452f313744339597575942544c270eaf90cf..21e578f124f7dfcc9b2b13ed03d694bc830454cd 100644
--- a/TP/NGSI-LD/ContextInformation/Consumption/Discovery/RetrieveDetailsOfAvailableEntityTypes/023_01.robot
+++ b/TP/NGSI-LD/ContextInformation/Consumption/Discovery/RetrieveDetailsOfAvailableEntityTypes/023_01.robot
@@ -30,7 +30,7 @@ ${second_filename}=         vehicle-simple-attributes-sample.json
 Retrieve Details Of Available Entity Types
     [Documentation]    Check that you can retrieve a list with a detailed representation of NGSI-LD entity types
     [Arguments]    ${context}    ${expectation_file}
-    ${response}=    Retrieve Entity Types    context=${context}    details=${TRUE}
+    ${response}=    Retrieve Entity Types    context=${context}    details=true
     Check Response Status Code    200    ${response.status_code}
     Check Response Body Containing EntityType element    ${expectation_file}    ${response.json()}
 
diff --git a/resources/ApiUtils/ContextInformationConsumption.resource b/resources/ApiUtils/ContextInformationConsumption.resource
index 442f29293267a542a5dbeccc9c8577dcec56175a..8750b7d30187fc3fa65f538fa053579f428f0ce1 100755
--- a/resources/ApiUtils/ContextInformationConsumption.resource
+++ b/resources/ApiUtils/ContextInformationConsumption.resource
@@ -140,7 +140,7 @@ Retrieve Attribute
     RETURN    ${response}
 
 Retrieve Attributes
-    [Arguments]    ${context}=${EMPTY}    ${details}=${FALSE}    ${accept}=${EMPTY}
+    [Arguments]    ${context}=${EMPTY}    ${details}=false    ${accept}=${EMPTY}
 
     &{headers}=    Create Dictionary
     &{params}=    Create Dictionary
@@ -152,7 +152,7 @@ Retrieve Attributes
         ...    ${headers}
         ...    Link=<${context}>; rel="http://www.w3.org/ns/json-ld#context";type="application/ld+json"
     END
-    IF    ${details}    Set To Dictionary    ${params}    details=${details}
+    Set To Dictionary    ${params}    details=${details}
     ${response}=    GET
     ...    url=${url}/${ATTRIBUTES_ENDPOINT_PATH}
     ...    headers=${headers}
@@ -206,7 +206,7 @@ Retrieve Entity Type
     RETURN    ${response}
 
 Retrieve Entity Types
-    [Arguments]    ${context}=${EMPTY}    ${details}=${FALSE}    ${accept}=${EMPTY}
+    [Arguments]    ${context}=${EMPTY}    ${details}=false    ${accept}=${EMPTY}
 
     &{headers}=    Create Dictionary
     &{params}=    Create Dictionary
@@ -218,7 +218,7 @@ Retrieve Entity Types
         ...    ${headers}
         ...    Link=<${context}>; rel="http://www.w3.org/ns/json-ld#context";type="application/ld+json"
     END
-    IF    ${details}    Set To Dictionary    ${params}    details=${details}
+    Set To Dictionary    ${params}    details=${details}
     ${response}=    GET
     ...    url=${url}/${ENTITIES_TYPES_ENDPOINT_PATH}/
     ...    headers=${headers}